45911666 has 4 divisors (see below), whose sum is σ = 68867502. Its totient is φ = 22955832.

The previous prime is 45911641. The next prime is 45911687. The reversal of 45911666 is 66611954.

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., 39000025 + 6911641 = 6245^2 + 2629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11477915 + ... + 11477918.

Almost surely, 2^45911666 is an apocalyptic number.

45911666 is a deficient number, since it is larger than the sum of its proper divisors (22955836).

45911666 is a wasteful number, since it uses less digits than its factorization.

45911666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22955835.

The product of its digits is 38880, while the sum is 38.

The square root of 45911666 is about 6775.8147849539. The cubic root of 45911666 is about 358.0752887231.

The spelling of 45911666 in words is "forty-five million, nine hundred eleven thousand, six hundred sixty-six".