8166172960 has 48 divisors (see below), whose sum is σ = 21046459392. Its totient is φ = 2969516800.

The previous prime is 8166172951. The next prime is 8166172969. The reversal of 8166172960 is 692716618.

It is an interprime number because it is at equal distance from previous prime (8166172951) and next prime (8166172969).

It is a self number, because there is not a number n which added to its sum of digits gives 8166172960.

It is not an unprimeable number, because it can be changed into a prime (8166172969) 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, 2318176 + ... + 2321695.

It is an arithmetic number, because the mean of its divisors is an integer number (438467904).

Almost surely, 2^8166172960 is an apocalyptic number.

8166172960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8166172960 is an abundant number, since it is smaller than the sum of its proper divisors (12880286432).

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

8166172960 is a wasteful number, since it uses less digits than its factorization.

8166172960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639897 (or 4639889 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 8166172960 is about 90366.8797735099. The cubic root of 8166172960 is about 2013.7529579663.

The spelling of 8166172960 in words is "eight billion, one hundred sixty-six million, one hundred seventy-two thousand, nine hundred sixty".