3722165617020 has 48 divisors (see below), whose sum is σ = 10431813265440. Its totient is φ = 991648970496.

The previous prime is 3722165617019. The next prime is 3722165617087. The reversal of 3722165617020 is 207165612273.

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, 28951807 + ... + 29080086.

It is an arithmetic number, because the mean of its divisors is an integer number (217329443030).

Almost surely, 2^{3722165617020} is an apocalyptic number.

3722165617020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3722165617020 is an abundant number, since it is smaller than the sum of its proper divisors (6709647648420).

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

3722165617020 is a wasteful number, since it uses less digits than its factorization.

3722165617020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58032974 (or 58032972 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 3722165617020 in words is "three trillion, seven hundred twenty-two billion, one hundred sixty-five million, six hundred seventeen thousand, twenty".