2167125520 has 160 divisors (see below), whose sum is σ = 6060612096. Its totient is φ = 705024000.

The previous prime is 2167125511. The next prime is 2167125539. The reversal of 2167125520 is 255217612.

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, 848245 + ... + 850795.

Almost surely, 2^2167125520 is an apocalyptic number.

2167125520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2167125520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3030306048).

2167125520 is an abundant number, since it is smaller than the sum of its proper divisors (3893486576).

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

2167125520 is a wasteful number, since it uses less digits than its factorization.

2167125520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 2167125520 is about 46552.3954270884. The cubic root of 2167125520 is about 1294.0806860194.

The spelling of 2167125520 in words is "two billion, one hundred sixty-seven million, one hundred twenty-five thousand, five hundred twenty".