16488400684 has 24 divisors (see below), whose sum is σ = 32998710528. Its totient is φ = 7061762640.

The previous prime is 16488400673. The next prime is 16488400699. The reversal of 16488400684 is 48600488461.

It is a happy number.

16488400684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16488400684² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152554 + ... + 237169.

It is an arithmetic number, because the mean of its divisors is an integer number (1374946272).

Almost surely, 2^16488400684 is an apocalyptic number.

16488400684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16488400684 is an abundant number, since it is smaller than the sum of its proper divisors (16510309844).

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

16488400684 is a wasteful number, since it uses less digits than its factorization.

16488400684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391245 (or 391243 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 16488400684 in words is "sixteen billion, four hundred eighty-eight million, four hundred thousand, six hundred eighty-four".