662739955 has 8 divisors (see below), whose sum is σ = 795426192. Its totient is φ = 530099808.

The previous prime is 662739953. The next prime is 662739971. The reversal of 662739955 is 559937266.

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

It is a cyclic number.

It is not a de Polignac number, because 662739955 - 2¹ = 662739953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662739953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49624 + ... + 61546.

It is an arithmetic number, because the mean of its divisors is an integer number (99428274).

Almost surely, 2^662739955 is an apocalyptic number.

662739955 is a deficient number, since it is larger than the sum of its proper divisors (132686237).

662739955 is a wasteful number, since it uses less digits than its factorization.

662739955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23045.

The product of its digits is 3061800, while the sum is 52.

The square root of 662739955 is about 25743.7362284498. The cubic root of 662739955 is about 871.8619369240.

The spelling of 662739955 in words is "six hundred sixty-two million, seven hundred thirty-nine thousand, nine hundred fifty-five".