66011450 has 24 divisors (see below), whose sum is σ = 125640768. Its totient is φ = 25789680.

The previous prime is 66011443. The next prime is 66011467. The reversal of 66011450 is 5411066.

It is a super-2 number, since 2×66011450² = 8715023062205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13202 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (5235032).

Almost surely, 2^66011450 is an apocalyptic number.

66011450 is a deficient number, since it is larger than the sum of its proper divisors (59629318).

66011450 is a wasteful number, since it uses less digits than its factorization.

66011450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30758 (or 30753 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 66011450 is about 8124.7430728608. The cubic root of 66011450 is about 404.1473705080.

The spelling of 66011450 in words is "sixty-six million, eleven thousand, four hundred fifty".