16639029894004 has 48 divisors (see below), whose sum is σ = 34974751795200. Its totient is φ = 6771897022176.

The previous prime is 16639029893957. The next prime is 16639029894007. The reversal of 16639029894004 is 40049892093661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16639029894007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92849344 + ... + 93028375.

It is an arithmetic number, because the mean of its divisors is an integer number (728640662400).

Almost surely, 2^{16639029894004} is an apocalyptic number.

16639029894004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16639029894004 is an abundant number, since it is smaller than the sum of its proper divisors (18335721901196).

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

16639029894004 is a wasteful number, since it uses less digits than its factorization.

16639029894004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185877892 (or 185877890 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 16639029894004 in words is "sixteen trillion, six hundred thirty-nine billion, twenty-nine million, eight hundred ninety-four thousand, four".