170390856941 has 8 divisors (see below), whose sum is σ = 179362896000. Its totient is φ = 161419227840.

The previous prime is 170390856901. The next prime is 170390856943. The reversal of 170390856941 is 149658093071.

170390856941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170390856941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170390856943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132085 + ... + 1273733.

It is an arithmetic number, because the mean of its divisors is an integer number (22420362000).

Almost surely, 2^170390856941 is an apocalyptic number.

It is an amenable number.

170390856941 is a deficient number, since it is larger than the sum of its proper divisors (8972039059).

170390856941 is a wasteful number, since it uses less digits than its factorization.

170390856941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204979.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 170390856941 in words is "one hundred seventy billion, three hundred ninety million, eight hundred fifty-six thousand, nine hundred forty-one".