662664454 has 32 divisors (see below), whose sum is σ = 1100848320. Its totient is φ = 297572352.

The previous prime is 662664451. The next prime is 662664461. The reversal of 662664454 is 454466266.

It is a self number, because there is not a number n which added to its sum of digits gives 662664454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662664451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463012 + ... + 464440.

It is an arithmetic number, because the mean of its divisors is an integer number (34401510).

Almost surely, 2^662664454 is an apocalyptic number.

662664454 is a deficient number, since it is larger than the sum of its proper divisors (438183866).

662664454 is a wasteful number, since it uses less digits than its factorization.

662664454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its digits is 829440, while the sum is 43.

The square root of 662664454 is about 25742.2697911431. The cubic root of 662664454 is about 871.8288274328.

The spelling of 662664454 in words is "six hundred sixty-two million, six hundred sixty-four thousand, four hundred fifty-four".