6634157952 has 64 divisors (see below), whose sum is σ = 18549475200. Its totient is φ = 2094994944.

The previous prime is 6634157947. The next prime is 6634157953. The reversal of 6634157952 is 2597514366.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634157953) 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, 447348 + ... + 461939.

It is an arithmetic number, because the mean of its divisors is an integer number (289835550).

Almost surely, 2^6634157952 is an apocalyptic number.

It is an amenable number.

6634157952 is an abundant number, since it is smaller than the sum of its proper divisors (11915317248).

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

6634157952 is a wasteful number, since it uses less digits than its factorization.

6634157952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909323 (or 909311 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 6634157952 is about 81450.3404044452. The cubic root of 6634157952 is about 1879.0078845597.

The spelling of 6634157952 in words is "six billion, six hundred thirty-four million, one hundred fifty-seven thousand, nine hundred fifty-two".