16000149493644 has 48 divisors (see below), whose sum is σ = 39531829857408. Its totient is φ = 5019394583808.

The previous prime is 16000149493639. The next prime is 16000149493673. The reversal of 16000149493644 is 44639494100061.

16000149493644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932147 + ... + 5977749.

It is an arithmetic number, because the mean of its divisors is an integer number (823579788696).

Almost surely, 2^{16000149493644} is an apocalyptic number.

It is an amenable number.

16000149493644 is an abundant number, since it is smaller than the sum of its proper divisors (23531680363764).

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

16000149493644 is a wasteful number, since it uses less digits than its factorization.

16000149493644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065014 (or 4065012 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 16000149493644 in words is "sixteen trillion, one hundred forty-nine million, four hundred ninety-three thousand, six hundred forty-four".