3801161618 has 16 divisors (see below), whose sum is σ = 5728916160. Its totient is φ = 1891537296.

The previous prime is 3801161599. The next prime is 3801161621. The reversal of 3801161618 is 8161611083.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668873 + ... + 674531.

It is an arithmetic number, because the mean of its divisors is an integer number (358057260).

Almost surely, 2^3801161618 is an apocalyptic number.

3801161618 is a deficient number, since it is larger than the sum of its proper divisors (1927754542).

3801161618 is a wasteful number, since it uses less digits than its factorization.

3801161618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 3801161618 is about 61653.5612758906. The cubic root of 3801161618 is about 1560.6497427666.

The spelling of 3801161618 in words is "three billion, eight hundred one million, one hundred sixty-one thousand, six hundred eighteen".