66152146 has 16 divisors (see below), whose sum is σ = 102009600. Its totient is φ = 32156208.

The previous prime is 66152111. The next prime is 66152153. The reversal of 66152146 is 64125166.

It is a super-2 number, since 2×66152146² = 8752212840810632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18015 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (6375600).

Almost surely, 2^66152146 is an apocalyptic number.

66152146 is a deficient number, since it is larger than the sum of its proper divisors (35857454).

66152146 is a wasteful number, since it uses less digits than its factorization.

66152146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its digits is 8640, while the sum is 31.

The square root of 66152146 is about 8133.3969533031. The cubic root of 66152146 is about 404.4342983462.

The spelling of 66152146 in words is "sixty-six million, one hundred fifty-two thousand, one hundred forty-six".