157007622685 has 4 divisors (see below), whose sum is σ = 188409147228. Its totient is φ = 125606098144.

The previous prime is 157007622683. The next prime is 157007622689. The reversal of 157007622685 is 586226700751.

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: 586226700751 = 29 ⋅20214713819.

It can be written as a sum of positive squares in 2 ways, for example, as 104043663364 + 52963959321 = 322558^2 + 230139^2 .

It is a cyclic number.

It is not a de Polignac number, because 157007622685 - 2¹ = 157007622683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157007622683) 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, 15700762264 + ... + 15700762273.

It is an arithmetic number, because the mean of its divisors is an integer number (47102286807).

Almost surely, 2^157007622685 is an apocalyptic number.

It is an amenable number.

157007622685 is a deficient number, since it is larger than the sum of its proper divisors (31401524543).

157007622685 is an equidigital number, since it uses as much as digits as its factorization.

157007622685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31401524542.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 157007622685 in words is "one hundred fifty-seven billion, seven million, six hundred twenty-two thousand, six hundred eighty-five".