16977307140 has 72 divisors (see below), whose sum is σ = 52076508120. Its totient is φ = 4476409344.

The previous prime is 16977307133. The next prime is 16977307169. The reversal of 16977307140 is 4170377961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2095259076 + 14882048064 = 45774^2 + 121992^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 513859 + ... + 545898.

It is an arithmetic number, because the mean of its divisors is an integer number (723284835).

Almost surely, 2^16977307140 is an apocalyptic number.

16977307140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16977307140 is an abundant number, since it is smaller than the sum of its proper divisors (35099200980).

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

16977307140 is a wasteful number, since it uses less digits than its factorization.

16977307140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059861 (or 1059856 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 16977307140 in words is "sixteen billion, nine hundred seventy-seven million, three hundred seven thousand, one hundred forty".