16613683120 has 40 divisors (see below), whose sum is σ = 38908786464. Its totient is φ = 6596961792.

The previous prime is 16613683117. The next prime is 16613683123. The reversal of 16613683120 is 2138631661.

It is an interprime number because it is at equal distance from previous prime (16613683117) and next prime (16613683123).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 16613683120.

It is not an unprimeable number, because it can be changed into a prime (16613683123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746964 + ... + 768883.

Almost surely, 2^16613683120 is an apocalyptic number.

16613683120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16613683120 is an abundant number, since it is smaller than the sum of its proper divisors (22295103344).

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

16613683120 is a wasteful number, since it uses less digits than its factorization.

16613683120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515997 (or 1515991 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 16613683120 in words is "sixteen billion, six hundred thirteen million, six hundred eighty-three thousand, one hundred twenty".