10164521047770 has 160 divisors (see below), whose sum is σ = 28957060459008. Its totient is φ = 2549502438912.

The previous prime is 10164521047739. The next prime is 10164521047843. The reversal of 10164521047770 is 7774012546101.

10164521047770 is a `hidden beast` number, since 1 + 0 + 1 + 64 + 52 + 1 + 0 + 477 + 70 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 21898719 + ... + 22358061.

Almost surely, 2^{10164521047770} is an apocalyptic number.

10164521047770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10164521047770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478530229504).

10164521047770 is an abundant number, since it is smaller than the sum of its proper divisors (18792539411238).

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

10164521047770 is a wasteful number, since it uses less digits than its factorization.

10164521047770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460986 (or 460977 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 10164521047770 in words is "ten trillion, one hundred sixty-four billion, five hundred twenty-one million, forty-seven thousand, seven hundred seventy".