16651150464 has 64 divisors (see below), whose sum is σ = 47631911040. Its totient is φ = 5123429376.

The previous prime is 16651150433. The next prime is 16651150513. The reversal of 16651150464 is 46405115661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662792 + ... + 1672775.

It is an arithmetic number, because the mean of its divisors is an integer number (744248610).

Almost surely, 2^16651150464 is an apocalyptic number.

It is an amenable number.

16651150464 is an abundant number, since it is smaller than the sum of its proper divisors (30980760576).

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

16651150464 is a wasteful number, since it uses less digits than its factorization.

16651150464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335597 (or 3335585 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16651150464 in words is "sixteen billion, six hundred fifty-one million, one hundred fifty thousand, four hundred sixty-four".