2626661145 has 16 divisors (see below), whose sum is σ = 4241937600. Its totient is φ = 1387792704.

The previous prime is 2626661119. The next prime is 2626661153. The reversal of 2626661145 is 5411666262.

It is not a de Polignac number, because 2626661145 - 2⁵ = 2626661113 is a prime.

It is a super-2 number, since 2×2626661145² = 13798697541305422050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816670 + ... + 819879.

It is an arithmetic number, because the mean of its divisors is an integer number (265121100).

Almost surely, 2^2626661145 is an apocalyptic number.

It is an amenable number.

2626661145 is a deficient number, since it is larger than the sum of its proper divisors (1615276455).

2626661145 is a wasteful number, since it uses less digits than its factorization.

2626661145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636664.

The product of its digits is 103680, while the sum is 39.

The square root of 2626661145 is about 51250.9623812080. The cubic root of 2626661145 is about 1379.7530092517.

The spelling of 2626661145 in words is "two billion, six hundred twenty-six million, six hundred sixty-one thousand, one hundred forty-five".