6658402452 has 48 divisors (see below), whose sum is σ = 16893851520. Its totient is φ = 2028843648.

The previous prime is 6658402379. The next prime is 6658402453. The reversal of 6658402452 is 2542048566.

It is a happy number.

It is a super-2 number, since 2×6658402452² = 88668646425599224608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658402453) 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, 191127 + ... + 223262.

It is an arithmetic number, because the mean of its divisors is an integer number (351955240).

Almost surely, 2^6658402452 is an apocalyptic number.

It is an amenable number.

6658402452 is an abundant number, since it is smaller than the sum of its proper divisors (10235449068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6658402452 is a wasteful number, since it uses less digits than its factorization.

6658402452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414512 (or 414510 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 6658402452 is about 81599.0346266425. The cubic root of 6658402452 is about 1881.2940438146.

The spelling of 6658402452 in words is "six billion, six hundred fifty-eight million, four hundred two thousand, four hundred fifty-two".