2145169173606 has 32 divisors (see below), whose sum is σ = 4478999263200. Its totient is φ = 684065329920.

The previous prime is 2145169173599. The next prime is 2145169173613. The reversal of 2145169173606 is 6063719615412.

It is an interprime number because it is at equal distance from previous prime (2145169173599) and next prime (2145169173613).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56534055 + ... + 56571986.

It is an arithmetic number, because the mean of its divisors is an integer number (139968726975).

Almost surely, 2^{2145169173606} is an apocalyptic number.

2145169173606 is an abundant number, since it is smaller than the sum of its proper divisors (2333830089594).

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

2145169173606 is a wasteful number, since it uses less digits than its factorization.

2145169173606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113106184.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 2145169173606 in words is "two trillion, one hundred forty-five billion, one hundred sixty-nine million, one hundred seventy-three thousand, six hundred six".