170242353457 has 16 divisors (see below), whose sum is σ = 190502832960. Its totient is φ = 150796800000.

The previous prime is 170242353431. The next prime is 170242353529. The reversal of 170242353457 is 754353242071.

It is not a de Polignac number, because 170242353457 - 2¹⁹ = 170241829169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (170242350457) 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, 246544 + ... + 633457.

It is an arithmetic number, because the mean of its divisors is an integer number (11906427060).

Almost surely, 2^170242353457 is an apocalyptic number.

It is an amenable number.

170242353457 is a deficient number, since it is larger than the sum of its proper divisors (20260479503).

170242353457 is a wasteful number, since it uses less digits than its factorization.

170242353457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880464.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 170242353457 in words is "one hundred seventy billion, two hundred forty-two million, three hundred fifty-three thousand, four hundred fifty-seven".