6610552455 has 48 divisors (see below), whose sum is σ = 11468390400. Its totient is φ = 3250076544.

The previous prime is 6610552453. The next prime is 6610552511. The reversal of 6610552455 is 5542550166.

It is a happy number.

It is not a de Polignac number, because 6610552455 - 2¹ = 6610552453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610552453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2754346 + ... + 2756744.

It is an arithmetic number, because the mean of its divisors is an integer number (238924800).

Almost surely, 2^6610552455 is an apocalyptic number.

6610552455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6610552455 is a deficient number, since it is larger than the sum of its proper divisors (4857837945).

6610552455 is a wasteful number, since it uses less digits than its factorization.

6610552455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 6610552455 is about 81305.3039782768. The cubic root of 6610552455 is about 1876.7766229053.

The spelling of 6610552455 in words is "six billion, six hundred ten million, five hundred fifty-two thousand, four hundred fifty-five".