169057595642 has 16 divisors (see below), whose sum is σ = 273101197320. Its totient is φ = 78024251712.

The previous prime is 169057595639. The next prime is 169057595669. The reversal of 169057595642 is 246595750961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143020868761 + 26036726881 = 378181^2 + 161359^2 .

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, 1042088 + ... + 1193340.

Almost surely, 2^169057595642 is an apocalyptic number.

169057595642 is a deficient number, since it is larger than the sum of its proper divisors (104043601678).

169057595642 is a wasteful number, since it uses less digits than its factorization.

169057595642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194257.

The product of its (nonzero) digits is 20412000, while the sum is 59.

The spelling of 169057595642 in words is "one hundred sixty-nine billion, fifty-seven million, five hundred ninety-five thousand, six hundred forty-two".