2550061646 has 16 divisors (see below), whose sum is σ = 4190296320. Its totient is φ = 1154266680.

The previous prime is 2550061603. The next prime is 2550061673. The reversal of 2550061646 is 6461600552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237236 + ... + 247751.

It is an arithmetic number, because the mean of its divisors is an integer number (261893520).

Almost surely, 2^2550061646 is an apocalyptic number.

2550061646 is a deficient number, since it is larger than the sum of its proper divisors (1640234674).

2550061646 is a wasteful number, since it uses less digits than its factorization.

2550061646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485239.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2550061646 is about 50498.1350744758. The cubic root of 2550061646 is about 1366.2082171864.

It can be divided in two parts, 255006 and 1646, that added together give a palindrome (256652).

The spelling of 2550061646 in words is "two billion, five hundred fifty million, sixty-one thousand, six hundred forty-six".