670561612052 has 6 divisors (see below), whose sum is σ = 1173482821098. Its totient is φ = 335280806024.

The previous prime is 670561612043. The next prime is 670561612057. The reversal of 670561612052 is 250216165076.

It can be written as a sum of positive squares in only one way, i.e., 553485409156 + 117076202896 = 743966^2 + 342164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670561612057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83820201503 + ... + 83820201510.

It is an arithmetic number, because the mean of its divisors is an integer number (195580470183).

Almost surely, 2^670561612052 is an apocalyptic number.

It is an amenable number.

670561612052 is a deficient number, since it is larger than the sum of its proper divisors (502921209046).

670561612052 is a wasteful number, since it uses less digits than its factorization.

670561612052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167640403017 (or 167640403015 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 670561612052 in words is "six hundred seventy billion, five hundred sixty-one million, six hundred twelve thousand, fifty-two".