6331772147 has 16 divisors (see below), whose sum is σ = 6647181408. Its totient is φ = 6025393920.

The previous prime is 6331772141. The next prime is 6331772203. The reversal of 6331772147 is 7412771336.

It is a cyclic number.

It is not a de Polignac number, because 6331772147 - 2¹⁴ = 6331755763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6331772141) 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, 367508 + ... + 384350.

It is an arithmetic number, because the mean of its divisors is an integer number (415448838).

Almost surely, 2^6331772147 is an apocalyptic number.

6331772147 is a deficient number, since it is larger than the sum of its proper divisors (315409261).

6331772147 is a wasteful number, since it uses less digits than its factorization.

6331772147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110.

The product of its digits is 148176, while the sum is 41.

The square root of 6331772147 is about 79572.4333359236. The cubic root of 6331772147 is about 1850.0143312257.

The spelling of 6331772147 in words is "six billion, three hundred thirty-one million, seven hundred seventy-two thousand, one hundred forty-seven".