670061645352 has 160 divisors (see below), whose sum is σ = 2063042546400. Its totient is φ = 201498710400.

The previous prime is 670061645339. The next prime is 670061645359. The reversal of 670061645352 is 253546160076.

It is a junction number, because it is equal to n+sod(n) for n = 670061645298 and 670061645307.

It is not an unprimeable number, because it can be changed into a prime (670061645359) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 574974 + ... + 1292562.

It is an arithmetic number, because the mean of its divisors is an integer number (12894015915).

Almost surely, 2^670061645352 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 670061645352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031521273200).

670061645352 is an abundant number, since it is smaller than the sum of its proper divisors (1392980901048).

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

670061645352 is a wasteful number, since it uses less digits than its factorization.

670061645352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717749 (or 717736 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 670061645352 in words is "six hundred seventy billion, sixty-one million, six hundred forty-five thousand, three hundred fifty-two".