1167425021898 has 32 divisors (see below), whose sum is σ = 2599476840000. Its totient is φ = 388361821968.

The previous prime is 1167425021849. The next prime is 1167425021909. The reversal of 1167425021898 is 8981205247611.

1167425021898 is a `hidden beast` number, since 1 + 1 + 6 + 7 + 42 + 502 + 1 + 8 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21635361 + ... + 21689252.

It is an arithmetic number, because the mean of its divisors is an integer number (81233651250).

Almost surely, 2^{1167425021898} is an apocalyptic number.

1167425021898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1167425021898 is an abundant number, since it is smaller than the sum of its proper divisors (1432051818102).

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

1167425021898 is a wasteful number, since it uses less digits than its factorization.

1167425021898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43325123 (or 43325117 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 1167425021898 in words is "one trillion, one hundred sixty-seven billion, four hundred twenty-five million, twenty-one thousand, eight hundred ninety-eight".