1065610016655 has 32 divisors (see below), whose sum is σ = 1707493436928. Its totient is φ = 567486576000.

The previous prime is 1065610016641. The next prime is 1065610016671. The reversal of 1065610016655 is 5566100165601.

It is not a de Polignac number, because 1065610016655 - 2⁶ = 1065610016591 is a prime.

It is a super-2 number, since 2×1065610016655² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61406230 + ... + 61423580.

It is an arithmetic number, because the mean of its divisors is an integer number (53359169904).

Almost surely, 2^{1065610016655} is an apocalyptic number.

1065610016655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1065610016655 is a deficient number, since it is larger than the sum of its proper divisors (641883420273).

1065610016655 is a wasteful number, since it uses less digits than its factorization.

1065610016655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1065610016655 in words is "one trillion, sixty-five billion, six hundred ten million, sixteen thousand, six hundred fifty-five".