2170023872604 has 96 divisors (see below), whose sum is σ = 5979780796416. Its totient is φ = 599365578240.

The previous prime is 2170023872591. The next prime is 2170023872623. The reversal of 2170023872604 is 4062783200712.

It is a happy number.

It is a super-2 number, since 2×2170023872604² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1995262 + ... + 2884634.

It is an arithmetic number, because the mean of its divisors is an integer number (62289383296).

Almost surely, 2^{2170023872604} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2170023872604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2989890398208).

2170023872604 is an abundant number, since it is smaller than the sum of its proper divisors (3809756923812).

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

2170023872604 is a wasteful number, since it uses less digits than its factorization.

2170023872604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890355 (or 890353 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 2170023872604 in words is "two trillion, one hundred seventy billion, twenty-three million, eight hundred seventy-two thousand, six hundred four".