16696453698 has 48 divisors (see below), whose sum is σ = 38430546336. Its totient is φ = 5429734560.

The previous prime is 16696453679. The next prime is 16696453771. The reversal of 16696453698 is 89635469661.

16696453698 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 6 + 4 + 536 + 98 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399036 + ... + 438887.

It is an arithmetic number, because the mean of its divisors is an integer number (800636382).

Almost surely, 2^16696453698 is an apocalyptic number.

16696453698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16696453698 is an abundant number, since it is smaller than the sum of its proper divisors (21734092638).

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

16696453698 is an equidigital number, since it uses as much as digits as its factorization.

16696453698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837981 (or 837969 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 16696453698 in words is "sixteen billion, six hundred ninety-six million, four hundred fifty-three thousand, six hundred ninety-eight".