999953670536616 has 64 divisors (see below), whose sum is σ = 2567676633943680. Its totient is φ = 324280495975680.

The previous prime is 999953670536549. The next prime is 999953670536663. The reversal of 999953670536616 is 616635076359999.

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, 39999076 + ... + 59998611.

It is an arithmetic number, because the mean of its divisors is an integer number (40119947405370).

Almost surely, 2^{999953670536616} is an apocalyptic number.

It is an amenable number.

999953670536616 is an abundant number, since it is smaller than the sum of its proper divisors (1567722963407064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999953670536616 is a wasteful number, since it uses less digits than its factorization.

999953670536616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100008994 (or 100008990 counting only the distinct ones).

The product of its (nonzero) digits is 13392313200, while the sum is 84.

The spelling of 999953670536616 in words is "nine hundred ninety-nine trillion, nine hundred fifty-three billion, six hundred seventy million, five hundred thirty-six thousand, six hundred sixteen".