1042165618 has 16 divisors (see below), whose sum is σ = 1772104320. Its totient is φ = 455683536.

The previous prime is 1042165613. The next prime is 1042165633. The reversal of 1042165618 is 8165612401.

It is a super-2 number, since 2×1042165618² = 2172218350682643848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042165613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054330 + ... + 1055317.

It is an arithmetic number, because the mean of its divisors is an integer number (110756520).

Almost surely, 2^1042165618 is an apocalyptic number.

1042165618 is a deficient number, since it is larger than the sum of its proper divisors (729938702).

1042165618 is a wasteful number, since it uses less digits than its factorization.

1042165618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109681.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1042165618 is about 32282.5900138139. The cubic root of 1042165618 is about 1013.8621586429.

The spelling of 1042165618 in words is "one billion, forty-two million, one hundred sixty-five thousand, six hundred eighteen".