16140621545 has 16 divisors (see below), whose sum is σ = 19432783872. Its totient is φ = 12869855040.

The previous prime is 16140621529. The next prime is 16140621551. The reversal of 16140621545 is 54512604161.

16140621545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16140621545 - 2⁴ = 16140621529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4960139 + ... + 4963391.

It is an arithmetic number, because the mean of its divisors is an integer number (1214548992).

Almost surely, 2^16140621545 is an apocalyptic number.

It is an amenable number.

16140621545 is a deficient number, since it is larger than the sum of its proper divisors (3292162327).

16140621545 is a wasteful number, since it uses less digits than its factorization.

16140621545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 16140621545 in words is "sixteen billion, one hundred forty million, six hundred twenty-one thousand, five hundred forty-five".