16690103680 has 64 divisors (see below), whose sum is σ = 39934530000. Its totient is φ = 6670227456.

The previous prime is 16690103641. The next prime is 16690103699. The reversal of 16690103680 is 8630109661.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765571 + ... + 787069.

Almost surely, 2^16690103680 is an apocalyptic number.

16690103680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16690103680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19967265000).

16690103680 is an abundant number, since it is smaller than the sum of its proper divisors (23244426320).

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

16690103680 is a wasteful number, since it uses less digits than its factorization.

16690103680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22731 (or 22719 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 16690103680 in words is "sixteen billion, six hundred ninety million, one hundred three thousand, six hundred eighty".