16610653664 has 48 divisors (see below), whose sum is σ = 35888904576. Its totient is φ = 7505059200.

The previous prime is 16610653663. The next prime is 16610653687. The reversal of 16610653664 is 46635601661.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16610653663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82502 + ... + 200069.

It is an arithmetic number, because the mean of its divisors is an integer number (747685512).

Almost surely, 2^16610653664 is an apocalyptic number.

It is an amenable number.

16610653664 is an abundant number, since it is smaller than the sum of its proper divisors (19278250912).

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

16610653664 is a wasteful number, since it uses less digits than its factorization.

16610653664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282759 (or 282751 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 16610653664 in words is "sixteen billion, six hundred ten million, six hundred fifty-three thousand, six hundred sixty-four".