16465063400 has 24 divisors (see below), whose sum is σ = 38281272870. Its totient is φ = 6586025280.

The previous prime is 16465063399. The next prime is 16465063409. The reversal of 16465063400 is 436056461.

It can be written as a sum of positive squares in 3 ways, for example, as 6742708996 + 9722354404 = 82114^2 + 98602^2 .

It is not an unprimeable number, because it can be changed into a prime (16465063409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41162459 + ... + 41162858.

Almost surely, 2^16465063400 is an apocalyptic number.

16465063400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16465063400 is an abundant number, since it is smaller than the sum of its proper divisors (21816209470).

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

16465063400 is a wasteful number, since it uses less digits than its factorization.

16465063400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82325333 (or 82325324 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 16465063400 in words is "sixteen billion, four hundred sixty-five million, sixty-three thousand, four hundred".