1063408655 has 8 divisors (see below), whose sum is σ = 1317254784. Its totient is φ = 823284000.

The previous prime is 1063408537. The next prime is 1063408673. The reversal of 1063408655 is 5568043601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1063408655 - 2²⁸ = 794973199 is a prime.

It is a super-2 number, since 2×1063408655² = 2261675935057818050, which contains 22 as substring.

It is a Duffinian number.

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, 3430196 + ... + 3430505.

It is an arithmetic number, because the mean of its divisors is an integer number (164656848).

Almost surely, 2^1063408655 is an apocalyptic number.

1063408655 is a deficient number, since it is larger than the sum of its proper divisors (253846129).

1063408655 is an equidigital number, since it uses as much as digits as its factorization.

1063408655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860737.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1063408655 is about 32609.9471787367. The cubic root of 1063408655 is about 1020.7045801502.

The spelling of 1063408655 in words is "one billion, sixty-three million, four hundred eight thousand, six hundred fifty-five".