662990534 has 8 divisors (see below), whose sum is σ = 994829448. Its totient is φ = 331380720.

The previous prime is 662990533. The next prime is 662990561. The reversal of 662990534 is 435099266.

662990534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662990533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49847 + ... + 61730.

It is an arithmetic number, because the mean of its divisors is an integer number (124353681).

Almost surely, 2^662990534 is an apocalyptic number.

662990534 is a deficient number, since it is larger than the sum of its proper divisors (331838914).

662990534 is a wasteful number, since it uses less digits than its factorization.

662990534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114550.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 662990534 is about 25748.6025640228. The cubic root of 662990534 is about 871.9718054389.

The spelling of 662990534 in words is "six hundred sixty-two million, nine hundred ninety thousand, five hundred thirty-four".