70665466161423 has 16 divisors (see below), whose sum is σ = 109712421858816. Its totient is φ = 39618374558880.

The previous prime is 70665466161421. The next prime is 70665466161473. The reversal of 70665466161423 is 32416166456607.

It is a happy number.

It is not a de Polignac number, because 70665466161423 - 2¹ = 70665466161421 is a prime.

It is a super-2 number, since 2×70665466161423² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70665466161421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31745491323 + ... + 31745493548.

It is an arithmetic number, because the mean of its divisors is an integer number (6857026366176).

Almost surely, 2^{70665466161423} is an apocalyptic number.

70665466161423 is a deficient number, since it is larger than the sum of its proper divisors (39046955697393).

70665466161423 is a wasteful number, since it uses less digits than its factorization.

70665466161423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63490984934.

The product of its (nonzero) digits is 26127360, while the sum is 57.

The spelling of 70665466161423 in words is "seventy trillion, six hundred sixty-five billion, four hundred sixty-six million, one hundred sixty-one thousand, four hundred twenty-three".