16610144625 has 96 divisors (see below), whose sum is σ = 30602033280. Its totient is φ = 8665200000.

The previous prime is 16610144611. The next prime is 16610144647. The reversal of 16610144625 is 52644101661.

16610144625 is a `hidden beast` number, since 1 + 6 + 6 + 10 + 14 + 4 + 625 = 666.

It is not a de Polignac number, because 16610144625 - 2⁴ = 16610144609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16610144625.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16659627 + ... + 16660623.

It is an arithmetic number, because the mean of its divisors is an integer number (318771180).

Almost surely, 2^16610144625 is an apocalyptic number.

16610144625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16610144625 is a deficient number, since it is larger than the sum of its proper divisors (13991888655).

16610144625 is a wasteful number, since it uses less digits than its factorization.

16610144625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 16610144625 in words is "sixteen billion, six hundred ten million, one hundred forty-four thousand, six hundred twenty-five".