1055190918 has 32 divisors (see below), whose sum is σ = 2331680256. Its totient is φ = 316646528.

The previous prime is 1055190907. The next prime is 1055190919. The reversal of 1055190918 is 8190915501.

It is a super-2 number, since 2×1055190918² = 2226855746859365448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055190919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222546 + ... + 227237.

It is an arithmetic number, because the mean of its divisors is an integer number (72865008).

Almost surely, 2^1055190918 is an apocalyptic number.

1055190918 is an abundant number, since it is smaller than the sum of its proper divisors (1276489338).

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

1055190918 is a wasteful number, since it uses less digits than its factorization.

1055190918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449828.

The product of its (nonzero) digits is 16200, while the sum is 39.

The square root of 1055190918 is about 32483.7023444065. The cubic root of 1055190918 is about 1018.0685344400.

The spelling of 1055190918 in words is "one billion, fifty-five million, one hundred ninety thousand, nine hundred eighteen".