10168166925 has 60 divisors (see below), whose sum is σ = 21525698656. Its totient is φ = 4648298400.

The previous prime is 10168166917. The next prime is 10168166927. The reversal of 10168166925 is 52966186101.

It is not a de Polignac number, because 10168166925 - 2³ = 10168166917 is a prime.

It is a super-2 number, since 2×10168166925² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10168166927) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 344491 + ... + 372840.

Almost surely, 2^10168166925 is an apocalyptic number.

10168166925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10168166925 is an abundant number, since it is smaller than the sum of its proper divisors (11357531731).

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

10168166925 is an equidigital number, since it uses as much as digits as its factorization.

10168166925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717360 (or 717346 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 10168166925 in words is "ten billion, one hundred sixty-eight million, one hundred sixty-six thousand, nine hundred twenty-five".