16620102 has 48 divisors (see below), whose sum is σ = 37374480. Its totient is φ = 5334336.

The previous prime is 16620049. The next prime is 16620119. The reversal of 16620102 is 20102661.

It is a happy number.

16620102 is a `hidden beast` number, since 1 + 662 + 0 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 84268 + ... + 84464.

It is an arithmetic number, because the mean of its divisors is an integer number (778635).

Almost surely, 2^16620102 is an apocalyptic number.

16620102 is an abundant number, since it is smaller than the sum of its proper divisors (20754378).

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

16620102 is a wasteful number, since it uses less digits than its factorization.

16620102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16620102 is about 4076.7759320326. The cubic root of 16620102 is about 255.1983692895.

Adding to 16620102 its reverse (20102661), we get a palindrome (36722763).

The spelling of 16620102 in words is "sixteen million, six hundred twenty thousand, one hundred two".