6610156002 has 24 divisors (see below), whose sum is σ = 15164476236. Its totient is φ = 2073774336.

The previous prime is 6610155941. The next prime is 6610156057. The reversal of 6610156002 is 2006510166.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6608226681 + 1929321 = 81291^2 + 1389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10800603 + ... + 10801214.

Almost surely, 2^6610156002 is an apocalyptic number.

6610156002 is an abundant number, since it is smaller than the sum of its proper divisors (8554320234).

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

6610156002 is a wasteful number, since it uses less digits than its factorization.

6610156002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21601842 (or 21601839 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6610156002 is about 81302.8658904469. The cubic root of 6610156002 is about 1876.7391036711.

Adding to 6610156002 its reverse (2006510166), we get a palindrome (8616666168).

The spelling of 6610156002 in words is "six billion, six hundred ten million, one hundred fifty-six thousand, two".