2553617662 has 4 divisors (see below), whose sum is σ = 3830426496. Its totient is φ = 1276808830.

The previous prime is 2553617657. The next prime is 2553617663. The reversal of 2553617662 is 2667163552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553617663) by changing a digit.

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 as a sum of consecutive naturals, namely, 638404414 + ... + 638404417.

It is an arithmetic number, because the mean of its divisors is an integer number (957606624).

Almost surely, 2^2553617662 is an apocalyptic number.

2553617662 is a deficient number, since it is larger than the sum of its proper divisors (1276808834).

2553617662 is a wasteful number, since it uses less digits than its factorization.

2553617662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276808833.

The product of its digits is 453600, while the sum is 43.

The square root of 2553617662 is about 50533.3321877748. The cubic root of 2553617662 is about 1366.8429733152.

The spelling of 2553617662 in words is "two billion, five hundred fifty-three million, six hundred seventeen thousand, six hundred sixty-two".