16074639980 has 72 divisors (see below), whose sum is σ = 39131875104. Its totient is φ = 5433442560.

The previous prime is 16074639979. The next prime is 16074640009. The reversal of 16074639980 is 8993647061.

It is a super-2 number, since 2×16074639980² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 694352 + ... + 717128.

Almost surely, 2^16074639980 is an apocalyptic number.

16074639980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16074639980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19565937552).

16074639980 is an abundant number, since it is smaller than the sum of its proper divisors (23057235124).

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

16074639980 is a wasteful number, since it uses less digits than its factorization.

16074639980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22935 (or 22862 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 16074639980 in words is "sixteen billion, seventy-four million, six hundred thirty-nine thousand, nine hundred eighty".