157061880197 has 8 divisors (see below), whose sum is σ = 161567412000. Its totient is φ = 152570065104.

The previous prime is 157061880167. The next prime is 157061880257. The reversal of 157061880197 is 791088160751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157061880197 - 2³⁰ = 155988138373 is a prime.

It is a super-2 number, since 2×157061880197² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157061880127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3405947 + ... + 3451752.

It is an arithmetic number, because the mean of its divisors is an integer number (20195926500).

Almost surely, 2^157061880197 is an apocalyptic number.

It is an amenable number.

157061880197 is a deficient number, since it is larger than the sum of its proper divisors (4505531803).

157061880197 is an equidigital number, since it uses as much as digits as its factorization.

157061880197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858355.

The product of its (nonzero) digits is 846720, while the sum is 53.

The spelling of 157061880197 in words is "one hundred fifty-seven billion, sixty-one million, eight hundred eighty thousand, one hundred ninety-seven".