662742146 has 16 divisors (see below), whose sum is σ = 1084930848. Its totient is φ = 301123200.

The previous prime is 662742109. The next prime is 662742169. The reversal of 662742146 is 641247266.

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, 69461 + ... + 78423.

It is an arithmetic number, because the mean of its divisors is an integer number (67808178).

Almost surely, 2^662742146 is an apocalyptic number.

662742146 is a deficient number, since it is larger than the sum of its proper divisors (422188702).

662742146 is a wasteful number, since it uses less digits than its factorization.

662742146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12337.

The product of its digits is 96768, while the sum is 38.

The square root of 662742146 is about 25743.7787824554. The cubic root of 662742146 is about 871.8628977067.

The spelling of 662742146 in words is "six hundred sixty-two million, seven hundred forty-two thousand, one hundred forty-six".