996156651698 has 32 divisors (see below), whose sum is σ = 1613976377664. Its totient is φ = 458395060032.

The previous prime is 996156651689. The next prime is 996156651731. The reversal of 996156651698 is 896156651699.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12432761 + ... + 12512627.

It is an arithmetic number, because the mean of its divisors is an integer number (50436761802).

Almost surely, 2^996156651698 is an apocalyptic number.

996156651698 is a deficient number, since it is larger than the sum of its proper divisors (617819725966).

996156651698 is a wasteful number, since it uses less digits than its factorization.

996156651698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81306.

The product of its digits is 188956800, while the sum is 71.

Subtracting from 996156651698 its reverse (896156651699), we obtain a palindrome (99999999999).

The spelling of 996156651698 in words is "nine hundred ninety-six billion, one hundred fifty-six million, six hundred fifty-one thousand, six hundred ninety-eight".