6557199974 has 8 divisors (see below), whose sum is σ = 10592400000. Its totient is φ = 3026399976.

The previous prime is 6557199967. The next prime is 6557199983. The reversal of 6557199974 is 4799917556.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126099974 + ... + 126100025.

It is an arithmetic number, because the mean of its divisors is an integer number (1324050000).

Almost surely, 2^6557199974 is an apocalyptic number.

6557199974 is a deficient number, since it is larger than the sum of its proper divisors (4035200026).

6557199974 is a wasteful number, since it uses less digits than its factorization.

6557199974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252200014.

The product of its digits is 21432600, while the sum is 62.

The square root of 6557199974 is about 80976.5396519263. The cubic root of 6557199974 is about 1871.7139455876.

The spelling of 6557199974 in words is "six billion, five hundred fifty-seven million, one hundred ninety-nine thousand, nine hundred seventy-four".