165770493610 has 8 divisors (see below), whose sum is σ = 298386888516. Its totient is φ = 66308197440.

The previous prime is 165770493589. The next prime is 165770493643. The reversal of 165770493610 is 16394077561.

It can be written as a sum of positive squares in 2 ways, for example, as 165700285969 + 70207641 = 407063^2 + 8379^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8288524671 + ... + 8288524690.

Almost surely, 2^165770493610 is an apocalyptic number.

165770493610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165770493610 is a deficient number, since it is larger than the sum of its proper divisors (132616394906).

165770493610 is a wasteful number, since it uses less digits than its factorization.

165770493610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577049368.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 165770493610 in words is "one hundred sixty-five billion, seven hundred seventy million, four hundred ninety-three thousand, six hundred ten".