662902149 has 16 divisors (see below), whose sum is σ = 1087839872. Its totient is φ = 349662528.

The previous prime is 662902133. The next prime is 662902157. The reversal of 662902149 is 941209266.

It is not a de Polignac number, because 662902149 - 2⁴ = 662902133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662902049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213834 + ... + 1214379.

It is an arithmetic number, because the mean of its divisors is an integer number (67989992).

Almost surely, 2^662902149 is an apocalyptic number.

It is an amenable number.

662902149 is a deficient number, since it is larger than the sum of its proper divisors (424937723).

662902149 is a wasteful number, since it uses less digits than its factorization.

662902149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428236.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 662902149 is about 25746.8862000825. The cubic root of 662902149 is about 871.9330554371.

The spelling of 662902149 in words is "six hundred sixty-two million, nine hundred two thousand, one hundred forty-nine".