16163764372 has 96 divisors (see below), whose sum is σ = 34517145600. Its totient is φ = 6473546112.

The previous prime is 16163764361. The next prime is 16163764391. The reversal of 16163764372 is 27346736161.

It is a super-2 number, since 2×16163764372² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6572079 + ... + 6574537.

It is an arithmetic number, because the mean of its divisors is an integer number (359553600).

Almost surely, 2^16163764372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16163764372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17258572800).

16163764372 is an abundant number, since it is smaller than the sum of its proper divisors (18353381228).

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

16163764372 is a wasteful number, since it uses less digits than its factorization.

16163764372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its digits is 762048, while the sum is 46.

The spelling of 16163764372 in words is "sixteen billion, one hundred sixty-three million, seven hundred sixty-four thousand, three hundred seventy-two".