106165561616 has 40 divisors (see below), whose sum is σ = 214889412864. Its totient is φ = 50751492480.

The previous prime is 106165561613. The next prime is 106165561643. The reversal of 106165561616 is 616165561601.

It is a super-2 number, since 2×106165561616² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106165561613) 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, 1248251 + ... + 1330586.

Almost surely, 2^106165561616 is an apocalyptic number.

106165561616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

106165561616 is an abundant number, since it is smaller than the sum of its proper divisors (108723851248).

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

106165561616 is a wasteful number, since it uses less digits than its factorization.

106165561616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578959 (or 2578953 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 106165561616 in words is "one hundred six billion, one hundred sixty-five million, five hundred sixty-one thousand, six hundred sixteen".