6610156001 has 6 divisors (see below), whose sum is σ = 6910050210. Its totient is φ = 6322757408.

The previous prime is 6610155941. The next prime is 6610156057. The reversal of 6610156001 is 1006510166.

It can be written as a sum of positive squares in only one way, i.e., 6432200401 + 177955600 = 80201^2 + 13340^2 .

It is not a de Polignac number, because 6610156001 - 2¹⁴ = 6610139617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6610156061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6247256 + ... + 6248313.

It is an arithmetic number, because the mean of its divisors is an integer number (1151675035).

Almost surely, 2^6610156001 is an apocalyptic number.

It is an amenable number.

6610156001 is a deficient number, since it is larger than the sum of its proper divisors (299894209).

6610156001 is a wasteful number, since it uses less digits than its factorization.

6610156001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495615 (or 12495592 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6610156001 is about 81302.8658842971. The cubic root of 6610156001 is about 1876.7391035765.

Adding to 6610156001 its reverse (1006510166), we get a palindrome (7616666167).

The spelling of 6610156001 in words is "six billion, six hundred ten million, one hundred fifty-six thousand, one".