16635023116530 has 128 divisors (see below), whose sum is σ = 50280027291648. Its totient is φ = 3428183630592.

The previous prime is 16635023116499. The next prime is 16635023116549. The reversal of 16635023116530 is 3561132053661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 63 ways as a sum of consecutive naturals, for example, 70736274 + ... + 70971053.

It is an arithmetic number, because the mean of its divisors is an integer number (392812713216).

Almost surely, 2^{16635023116530} is an apocalyptic number.

16635023116530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16635023116530 is an abundant number, since it is smaller than the sum of its proper divisors (33645004175118).

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

16635023116530 is a wasteful number, since it uses less digits than its factorization.

16635023116530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141707400.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 16635023116530 in words is "sixteen trillion, six hundred thirty-five billion, twenty-three million, one hundred sixteen thousand, five hundred thirty".