1012166552190 has 32 divisors (see below), whose sum is σ = 2452784196096. Its totient is φ = 267290583840.

The previous prime is 1012166552093. The next prime is 1012166552191. The reversal of 1012166552190 is 912556612101.

It is a super-2 number, since 2×1012166552190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012166552191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163777906 + ... + 163784085.

It is an arithmetic number, because the mean of its divisors is an integer number (76649506128).

Almost surely, 2^{1012166552190} is an apocalyptic number.

1012166552190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012166552190 is an abundant number, since it is smaller than the sum of its proper divisors (1440617643906).

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

1012166552190 is a wasteful number, since it uses less digits than its factorization.

1012166552190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327562104.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 1012166552190 in words is "one trillion, twelve billion, one hundred sixty-six million, five hundred fifty-two thousand, one hundred ninety".