16117500157 has 4 divisors (see below), whose sum is σ = 17582727456. Its totient is φ = 14652272860.

The previous prime is 16117500151. The next prime is 16117500163. The reversal of 16117500157 is 75100571161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (16117500151) and next prime (16117500163).

It is a cyclic number.

It is not a de Polignac number, because 16117500157 - 2¹⁹ = 16116975869 is a prime.

It is a super-3 number, since 3×16117500157³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16117500151) 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, 732613633 + ... + 732613654.

It is an arithmetic number, because the mean of its divisors is an integer number (4395681864).

Almost surely, 2^16117500157 is an apocalyptic number.

It is an amenable number.

16117500157 is a deficient number, since it is larger than the sum of its proper divisors (1465227299).

16117500157 is a wasteful number, since it uses less digits than its factorization.

16117500157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465227298.

The product of its (nonzero) digits is 7350, while the sum is 34.

The spelling of 16117500157 in words is "sixteen billion, one hundred seventeen million, five hundred thousand, one hundred fifty-seven".