6418133772 has 48 divisors (see below), whose sum is σ = 15123236352. Its totient is φ = 2118332160.

The previous prime is 6418133741. The next prime is 6418133773. The reversal of 6418133772 is 2773318146.

It is a super-2 number, since 2×6418133772² = 82384882230573895968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6418133773) 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, 1960497 + ... + 1963767.

It is an arithmetic number, because the mean of its divisors is an integer number (315067424).

Almost surely, 2^6418133772 is an apocalyptic number.

It is an amenable number.

6418133772 is an abundant number, since it is smaller than the sum of its proper divisors (8705102580).

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

6418133772 is a wasteful number, since it uses less digits than its factorization.

6418133772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4836 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 6418133772 is about 80113.2559068722. The cubic root of 6418133772 is about 1858.3874114279.

The spelling of 6418133772 in words is "six billion, four hundred eighteen million, one hundred thirty-three thousand, seven hundred seventy-two".