1601561162 has 32 divisors (see below), whose sum is σ = 2552964480. Its totient is φ = 751956480.

The previous prime is 1601561131. The next prime is 1601561189. The reversal of 1601561162 is 2611651061.

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, 808289 + ... + 810267.

It is an arithmetic number, because the mean of its divisors is an integer number (79780140).

Almost surely, 2^1601561162 is an apocalyptic number.

1601561162 is a deficient number, since it is larger than the sum of its proper divisors (951403318).

1601561162 is a wasteful number, since it uses less digits than its factorization.

1601561162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1601561162 is about 40019.5097671123. The cubic root of 1601561162 is about 1169.9873770767.

It can be divided in two parts, 16015 and 61162, that added together give a palindrome (77177).

The spelling of 1601561162 in words is "one billion, six hundred one million, five hundred sixty-one thousand, one hundred sixty-two".