16376814661725 has 768 divisors, whose sum is σ = 40125431808000. Its totient is φ = 6363057254400.

The previous prime is 16376814661709. The next prime is 16376814661741. The reversal of 16376814661725 is 52716641867361.

16376814661725 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 6 + 8 + 1 + 4 + 6 + 617 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (16376814661709) and next prime (16376814661741).

It is not a de Polignac number, because 16376814661725 - 2⁴ = 16376814661709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 13303666860 + ... + 13303668090.

It is an arithmetic number, because the mean of its divisors is an integer number (52246656000).

Almost surely, 2^{16376814661725} is an apocalyptic number.

16376814661725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16376814661725 is an abundant number, since it is smaller than the sum of its proper divisors (23748617146275).

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

16376814661725 is a wasteful number, since it uses less digits than its factorization.

16376814661725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1684 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 16376814661725 in words is "sixteen trillion, three hundred seventy-six billion, eight hundred fourteen million, six hundred sixty-one thousand, seven hundred twenty-five".