188603046157 has 4 divisors (see below), whose sum is σ = 188934510780. Its totient is φ = 188271581536.

The previous prime is 188603046119. The next prime is 188603046217. The reversal of 188603046157 is 751640306881.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751640306881 = 67 ⋅11218512043.

It can be written as a sum of positive squares in 2 ways, for example, as 35980778596 + 152622267561 = 189686^2 + 390669^2 .

It is a cyclic number.

It is not a de Polignac number, because 188603046157 - 2⁷ = 188603046029 is a prime.

It is a super-2 number, since 2×188603046157² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 188603046157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188603043157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165731458 + ... + 165732595.

It is an arithmetic number, because the mean of its divisors is an integer number (47233627695).

Almost surely, 2^188603046157 is an apocalyptic number.

It is an amenable number.

188603046157 is a deficient number, since it is larger than the sum of its proper divisors (331464623).

188603046157 is an equidigital number, since it uses as much as digits as its factorization.

188603046157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331464622.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 188603046157 in words is "one hundred eighty-eight billion, six hundred three million, forty-six thousand, one hundred fifty-seven".