670595572201 has 9 divisors (see below), whose sum is σ = 674247071799. Its totient is φ = 666963755136.

The previous prime is 670595572193. The next prime is 670595572217. The reversal of 670595572201 is 102275595076.

The square root of 670595572201 is 818899.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 162477517225 + 508118054976 = 403085^2 + 712824^2 .

It is not a de Polignac number, because 670595572201 - 2³ = 670595572193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670595572271) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 158045386 + ... + 158049628.

It is an arithmetic number, because the mean of its divisors is an integer number (74916341311).

Almost surely, 2^670595572201 is an apocalyptic number.

670595572201 is the 818899-th square number.

670595572201 is the 409450-th centered octagonal number.

It is an amenable number.

670595572201 is a deficient number, since it is larger than the sum of its proper divisors (3651499598).

670595572201 is an frugal number, since it uses more digits than its factorization.

670595572201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

Multiplying 670595572201 by its sum of digits (49), we get a square (32859183037849 = 5732293²).

The spelling of 670595572201 in words is "six hundred seventy billion, five hundred ninety-five million, five hundred seventy-two thousand, two hundred one".