157640016259 has 16 divisors (see below), whose sum is σ = 181540800000. Its totient is φ = 135377442720.

The previous prime is 157640016239. The next prime is 157640016263. The reversal of 157640016259 is 952610046751.

It is a cyclic number.

It is not a de Polignac number, because 157640016259 - 2²⁵ = 157606461827 is a prime.

It is a super-2 number, since 2×157640016259² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157640016239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007659 + ... + 1153540.

It is an arithmetic number, because the mean of its divisors is an integer number (11346300000).

Almost surely, 2^157640016259 is an apocalyptic number.

157640016259 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

157640016259 is a deficient number, since it is larger than the sum of its proper divisors (23900783741).

157640016259 is a wasteful number, since it uses less digits than its factorization.

157640016259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161578.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 157640016259 in words is "one hundred fifty-seven billion, six hundred forty million, sixteen thousand, two hundred fifty-nine".