16554702640325 has 12 divisors (see below), whose sum is σ = 20528493592320. Its totient is φ = 13243334810160.

The previous prime is 16554702640319. The next prime is 16554702640369. The reversal of 16554702640325 is 52304620745561.

16554702640325 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 16554702640325 - 2⁴ = 16554702640309 is a prime.

It is a super-2 number, since 2×16554702640325² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9891059 + ... + 11443008.

It is an arithmetic number, because the mean of its divisors is an integer number (1710707799360).

Almost surely, 2^{16554702640325} is an apocalyptic number.

It is an amenable number.

16554702640325 is a deficient number, since it is larger than the sum of its proper divisors (3973790951995).

16554702640325 is a wasteful number, since it uses less digits than its factorization.

16554702640325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21365116 (or 21365111 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 16554702640325 in words is "sixteen trillion, five hundred fifty-four billion, seven hundred two million, six hundred forty thousand, three hundred twenty-five".