670146723552 has 24 divisors (see below), whose sum is σ = 1759135149576. Its totient is φ = 223382241152.

The previous prime is 670146723497. The next prime is 670146723577. The reversal of 670146723552 is 255327641076.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×670146723552² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3490347423 + ... + 3490347614.

It is an arithmetic number, because the mean of its divisors is an integer number (73297297899).

Almost surely, 2^670146723552 is an apocalyptic number.

It is an amenable number.

670146723552 is an abundant number, since it is smaller than the sum of its proper divisors (1088988426024).

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

670146723552 is a wasteful number, since it uses less digits than its factorization.

670146723552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980695050 (or 6980695042 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 670146723552 in words is "six hundred seventy billion, one hundred forty-six million, seven hundred twenty-three thousand, five hundred fifty-two".