161005106662 has 32 divisors (see below), whose sum is σ = 244029671424. Its totient is φ = 79667452800.

The previous prime is 161005106657. The next prime is 161005106663. The reversal of 161005106662 is 266601500161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161005106663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87170223 + ... + 87172069.

It is an arithmetic number, because the mean of its divisors is an integer number (7625927232).

Almost surely, 2^161005106662 is an apocalyptic number.

161005106662 is a deficient number, since it is larger than the sum of its proper divisors (83024564762).

161005106662 is a wasteful number, since it uses less digits than its factorization.

161005106662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 161005106662 in words is "one hundred sixty-one billion, five million, one hundred six thousand, six hundred sixty-two".