1290161376 has 108 divisors (see below), whose sum is σ = 4267946592. Its totient is φ = 368613504.

The previous prime is 1290161347. The next prime is 1290161393. The reversal of 1290161376 is 6731610921.

1290161376 is a `hidden beast` number, since 129 + 0 + 161 + 376 = 666.

It is a super-2 number, since 2×1290161376² = 3329032752244426752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1290161376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31600 + ... + 59823.

It is an arithmetic number, because the mean of its divisors is an integer number (39518024).

Almost surely, 2^1290161376 is an apocalyptic number.

1290161376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1290161376 is an abundant number, since it is smaller than the sum of its proper divisors (2977785216).

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

1290161376 is a wasteful number, since it uses less digits than its factorization.

1290161376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91453 (or 91435 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1290161376 is about 35918.8164615707. The cubic root of 1290161376 is about 1088.6326248040.

The spelling of 1290161376 in words is "one billion, two hundred ninety million, one hundred sixty-one thousand, three hundred seventy-six".