156002135663 has 4 divisors (see below), whose sum is σ = 170184148008. Its totient is φ = 141820123320.

The previous prime is 156002135659. The next prime is 156002135683. The reversal of 156002135663 is 366531200651.

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 156002135663 - 2² = 156002135659 is a prime.

It is a super-3 number, since 3×156002135663³ (a number of 35 digits) contains 333 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 (156002135603) 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, 7091006156 + ... + 7091006177.

It is an arithmetic number, because the mean of its divisors is an integer number (42546037002).

Almost surely, 2^156002135663 is an apocalyptic number.

156002135663 is a deficient number, since it is larger than the sum of its proper divisors (14182012345).

156002135663 is a wasteful number, since it uses less digits than its factorization.

156002135663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14182012344.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 156002135663 in words is "one hundred fifty-six billion, two million, one hundred thirty-five thousand, six hundred sixty-three".