8146372155 has 16 divisors (see below), whose sum is σ = 13280124960. Its totient is φ = 4262755328.

The previous prime is 8146372127. The next prime is 8146372159. The reversal of 8146372155 is 5512736418.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8146372155 - 2¹¹ = 8146370107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8146372159) 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, 5122710 + ... + 5124299.

It is an arithmetic number, because the mean of its divisors is an integer number (830007810).

Almost surely, 2^8146372155 is an apocalyptic number.

8146372155 is a deficient number, since it is larger than the sum of its proper divisors (5133752805).

8146372155 is a wasteful number, since it uses less digits than its factorization.

8146372155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247070.

The product of its digits is 201600, while the sum is 42.

The square root of 8146372155 is about 90257.2554147311. The cubic root of 8146372155 is about 2012.1240349599.

The spelling of 8146372155 in words is "eight billion, one hundred forty-six million, three hundred seventy-two thousand, one hundred fifty-five".