6601963830 has 64 divisors (see below), whose sum is σ = 19754454528. Its totient is φ = 1371836160.

The previous prime is 6601963813. The next prime is 6601963843. The reversal of 6601963830 is 383691066.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426687 + ... + 1431306.

It is an arithmetic number, because the mean of its divisors is an integer number (308663352).

Almost surely, 2^6601963830 is an apocalyptic number.

6601963830 is an abundant number, since it is smaller than the sum of its proper divisors (13152490698).

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

6601963830 is a wasteful number, since it uses less digits than its factorization.

6601963830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858021.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 6601963830 is about 81252.4696855425. The cubic root of 6601963830 is about 1875.9634827779.

The spelling of 6601963830 in words is "six billion, six hundred one million, nine hundred sixty-three thousand, eight hundred thirty".