16400425364 has 24 divisors (see below), whose sum is σ = 29342181960. Its totient is φ = 8018002304.

The previous prime is 16400425331. The next prime is 16400425369. The reversal of 16400425364 is 46352400461.

It can be written as a sum of positive squares in 4 ways, for example, as 3640915600 + 12759509764 = 60340^2 + 112958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16400425369) 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, 69899 + ... + 194130.

It is an arithmetic number, because the mean of its divisors is an integer number (1222590915).

Almost surely, 2^16400425364 is an apocalyptic number.

It is an amenable number.

16400425364 is a deficient number, since it is larger than the sum of its proper divisors (12941756596).

16400425364 is a wasteful number, since it uses less digits than its factorization.

16400425364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264379 (or 264377 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 16400425364 in words is "sixteen billion, four hundred million, four hundred twenty-five thousand, three hundred sixty-four".