66152902 has 4 divisors (see below), whose sum is σ = 99229356. Its totient is φ = 33076450.

The previous prime is 66152893. The next prime is 66152917. The reversal of 66152902 is 20925166.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16538224 + ... + 16538227.

It is an arithmetic number, because the mean of its divisors is an integer number (24807339).

Almost surely, 2^66152902 is an apocalyptic number.

66152902 is a deficient number, since it is larger than the sum of its proper divisors (33076454).

66152902 is a wasteful number, since it uses less digits than its factorization.

66152902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33076453.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 66152902 is about 8133.4434282166. The cubic root of 66152902 is about 404.4358389925.

The spelling of 66152902 in words is "sixty-six million, one hundred fifty-two thousand, nine hundred two".