16650401360 has 20 divisors (see below), whose sum is σ = 38712183348. Its totient is φ = 6660160512.

The previous prime is 16650401357. The next prime is 16650401363. The reversal of 16650401360 is 6310405661.

It is an interprime number because it is at equal distance from previous prime (16650401357) and next prime (16650401363).

It can be written as a sum of positive squares in 2 ways, for example, as 9436956736 + 7213444624 = 97144^2 + 84932^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16650401363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104064929 + ... + 104065088.

Almost surely, 2^16650401360 is an apocalyptic number.

16650401360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16650401360 is an abundant number, since it is smaller than the sum of its proper divisors (22061781988).

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

16650401360 is a wasteful number, since it uses less digits than its factorization.

16650401360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208130030 (or 208130024 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 16650401360 in words is "sixteen billion, six hundred fifty million, four hundred one thousand, three hundred sixty".