46121618 has 4 divisors (see below), whose sum is σ = 69182430. Its totient is φ = 23060808.

The previous prime is 46121599. The next prime is 46121623. The reversal of 46121618 is 81612164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45387169 + 734449 = 6737^2 + 857^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11530403 + ... + 11530406.

Almost surely, 2^46121618 is an apocalyptic number.

46121618 is a deficient number, since it is larger than the sum of its proper divisors (23060812).

46121618 is a wasteful number, since it uses less digits than its factorization.

46121618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060811.

The product of its digits is 2304, while the sum is 29.

The square root of 46121618 is about 6791.2898627580. The cubic root of 46121618 is about 358.6202795983.

The spelling of 46121618 in words is "forty-six million, one hundred twenty-one thousand, six hundred eighteen".