1610646516525 has 24 divisors (see below), whose sum is σ = 2676877668864. Its totient is φ = 854514025600.

The previous prime is 1610646516469. The next prime is 1610646516541. The reversal of 1610646516525 is 5256156460161.

It is not a de Polignac number, because 1610646516525 - 2⁷ = 1610646516397 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56203704 + ... + 56232353.

It is an arithmetic number, because the mean of its divisors is an integer number (111536569536).

Almost surely, 2^{1610646516525} is an apocalyptic number.

1610646516525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1610646516525 is a deficient number, since it is larger than the sum of its proper divisors (1066231152339).

1610646516525 is a wasteful number, since it uses less digits than its factorization.

1610646516525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112436261 (or 112436256 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 1610646516525 in words is "one trillion, six hundred ten billion, six hundred forty-six million, five hundred sixteen thousand, five hundred twenty-five".