16387620333952 has 64 divisors (see below), whose sum is σ = 37315456416000. Its totient is φ = 7022445801984.

The previous prime is 16387620333949. The next prime is 16387620333979. The reversal of 16387620333952 is 25933302678361.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6641223 + ... + 8768185.

It is an arithmetic number, because the mean of its divisors is an integer number (583054006500).

Almost surely, 2^{16387620333952} is an apocalyptic number.

It is an amenable number.

16387620333952 is an abundant number, since it is smaller than the sum of its proper divisors (20927836082048).

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

16387620333952 is an equidigital number, since it uses as much as digits as its factorization.

16387620333952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135583 (or 2135571 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 16387620333952 in words is "sixteen trillion, three hundred eighty-seven billion, six hundred twenty million, three hundred thirty-three thousand, nine hundred fifty-two".