10172605660 has 96 divisors (see below), whose sum is σ = 24744545280. Its totient is φ = 3440752128.

The previous prime is 10172605603. The next prime is 10172605661. The reversal of 10172605660 is 6650627101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172605661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9057859 + ... + 9058981.

It is an arithmetic number, because the mean of its divisors is an integer number (257755680).

Almost surely, 2^10172605660 is an apocalyptic number.

10172605660 is a gapful number since it is divisible by the number (10) 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 10172605660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12372272640).

10172605660 is an abundant number, since it is smaller than the sum of its proper divisors (14571939620).

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

10172605660 is a wasteful number, since it uses less digits than its factorization.

10172605660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 10172605660 in words is "ten billion, one hundred seventy-two million, six hundred five thousand, six hundred sixty".