157493600945651 has 4 divisors (see below), whose sum is σ = 161156242828152. Its totient is φ = 153830959063152.

The previous prime is 157493600945641. The next prime is 157493600945711. The reversal of 157493600945651 is 156549006394751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157493600945651 - 2²² = 157493596751347 is a prime.

It is a super-2 number, since 2×157493600945651² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157493600945621) 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, 1831320941186 + ... + 1831320941271.

It is an arithmetic number, because the mean of its divisors is an integer number (40289060707038).

Almost surely, 2^{157493600945651} is an apocalyptic number.

157493600945651 is a deficient number, since it is larger than the sum of its proper divisors (3662641882501).

157493600945651 is an equidigital number, since it uses as much as digits as its factorization.

157493600945651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662641882500.

The product of its (nonzero) digits is 122472000, while the sum is 65.

The spelling of 157493600945651 in words is "one hundred fifty-seven trillion, four hundred ninety-three billion, six hundred million, nine hundred forty-five thousand, six hundred fifty-one".