1055165655 has 8 divisors (see below), whose sum is σ = 1688265072. Its totient is φ = 562755008.

The previous prime is 1055165623. The next prime is 1055165659. The reversal of 1055165655 is 5565615501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055165655 - 2⁵ = 1055165623 is a prime.

It is a super-2 number, since 2×1055165655² = 2226749118983158050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055165659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35172174 + ... + 35172203.

It is an arithmetic number, because the mean of its divisors is an integer number (211033134).

Almost surely, 2^1055165655 is an apocalyptic number.

1055165655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055165655 is a deficient number, since it is larger than the sum of its proper divisors (633099417).

1055165655 is an equidigital number, since it uses as much as digits as its factorization.

1055165655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70344385.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 1055165655 is about 32483.3134855421. The cubic root of 1055165655 is about 1018.0604096321.

The spelling of 1055165655 in words is "one billion, fifty-five million, one hundred sixty-five thousand, six hundred fifty-five".