6156620 has 12 divisors (see below), whose sum is σ = 12928944. Its totient is φ = 2462640.

The previous prime is 6156599. The next prime is 6156629. The reversal of 6156620 is 266516.

It is a self number, because there is not a number n which added to its sum of digits gives 6156620.

It is not an unprimeable number, because it can be changed into a prime (6156629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153896 + ... + 153935.

It is an arithmetic number, because the mean of its divisors is an integer number (1077412).

Almost surely, 2^6156620 is an apocalyptic number.

It is an amenable number.

6156620 is an abundant number, since it is smaller than the sum of its proper divisors (6772324).

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

6156620 is a wasteful number, since it uses less digits than its factorization.

6156620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307840 (or 307838 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6156620 is about 2481.2537153625. The cubic root of 6156620 is about 183.2795949018.

It can be divided in two parts, 6156 and 620, that added together give a palindrome (6776).

The spelling of 6156620 in words is "six million, one hundred fifty-six thousand, six hundred twenty".