6974668155 has 128 divisors (see below), whose sum is σ = 14135869440. Its totient is φ = 2858042880.

The previous prime is 6974668153. The next prime is 6974668163. The reversal of 6974668155 is 5518664796.

It is not a de Polignac number, because 6974668155 - 2¹ = 6974668153 is a prime.

It is a super-2 number, since 2×6974668155² = 97291991744742208050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6974668095 and 6974668104.

It is not an unprimeable number, because it can be changed into a prime (6974668153) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19427866 + ... + 19428224.

It is an arithmetic number, because the mean of its divisors is an integer number (110436480).

Almost surely, 2^6974668155 is an apocalyptic number.

6974668155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6974668155 is an abundant number, since it is smaller than the sum of its proper divisors (7161201285).

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

6974668155 is a wasteful number, since it uses less digits than its factorization.

6974668155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 10886400, while the sum is 57.

The square root of 6974668155 is about 83514.4787147714. The cubic root of 6974668155 is about 1910.6208662034.

The spelling of 6974668155 in words is "six billion, nine hundred seventy-four million, six hundred sixty-eight thousand, one hundred fifty-five".