18875747762048 has 16 divisors (see below), whose sum is σ = 37604028744960. Its totient is φ = 9437873880960.

The previous prime is 18875747761993. The next prime is 18875747762149. The reversal of 18875747762048 is 84026774757881.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73733389568 + ... + 73733389823.

It is an arithmetic number, because the mean of its divisors is an integer number (2350251796560).

Almost surely, 2^{18875747762048} is an apocalyptic number.

It is an amenable number.

18875747762048 is a deficient number, since it is larger than the sum of its proper divisors (18728280982912).

18875747762048 is an equidigital number, since it uses as much as digits as its factorization.

18875747762048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147466779405 (or 147466779393 counting only the distinct ones).

The product of its (nonzero) digits is 1180139520, while the sum is 74.

The spelling of 18875747762048 in words is "eighteen trillion, eight hundred seventy-five billion, seven hundred forty-seven million, seven hundred sixty-two thousand, forty-eight".