46641664 has 20 divisors (see below), whose sum is σ = 93193254. Its totient is φ = 23320576.

The previous prime is 46641653. The next prime is 46641689. The reversal of 46641664 is 46614664.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 14379264 = 5680^2 + 3792^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45037 + ... + 46060.

Almost surely, 2^46641664 is an apocalyptic number.

It is an amenable number.

46641664 is a deficient number, since it is larger than the sum of its proper divisors (46551590).

46641664 is an frugal number, since it uses more digits than its factorization.

46641664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91115 (or 91099 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 46641664 is about 6829.4702576408. The cubic root of 46641664 is about 359.9631237948.

Subtracting from 46641664 its reverse (46614664), we obtain a cube (27000 = 30³).

It can be divided in two parts, 4664 and 1664, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 46641664 in words is "forty-six million, six hundred forty-one thousand, six hundred sixty-four".