170920464 has 160 divisors (see below), whose sum is σ = 533549184. Its totient is φ = 46448640.

The previous prime is 170920459. The next prime is 170920469. The reversal of 170920464 is 464029071.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (170920459) and next prime (170920469).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (170920469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253632 + ... + 254304.

Almost surely, 2^170920464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170920464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266774592).

170920464 is an abundant number, since it is smaller than the sum of its proper divisors (362628720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170920464 is a wasteful number, since it uses less digits than its factorization.

170920464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 170920464 is about 13073.6553419463. The cubic root of 170920464 is about 554.9638414882.

The spelling of 170920464 in words is "one hundred seventy million, nine hundred twenty thousand, four hundred sixty-four".