1026166626320 has 120 divisors (see below), whose sum is σ = 2712879411480. Its totient is φ = 360284108800.

The previous prime is 1026166626301. The next prime is 1026166626337. The reversal of 1026166626320 is 236266616201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5226133264 + 1020940493056 = 72292^2 + 1010416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1547021 + ... + 2108460.

It is an arithmetic number, because the mean of its divisors is an integer number (22607328429).

Almost surely, 2^{1026166626320} is an apocalyptic number.

1026166626320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026166626320 is an abundant number, since it is smaller than the sum of its proper divisors (1686712785160).

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

1026166626320 is a wasteful number, since it uses less digits than its factorization.

1026166626320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655545 (or 3655528 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 1026166626320 in words is "one trillion, twenty-six billion, one hundred sixty-six million, six hundred twenty-six thousand, three hundred twenty".