670400366670 has 64 divisors (see below), whose sum is σ = 1789135179840. Its totient is φ = 178633344384.

The previous prime is 670400366663. The next prime is 670400366717. The reversal of 670400366670 is 76663004076.

670400366670 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627397 + ... + 1316976.

It is an arithmetic number, because the mean of its divisors is an integer number (27955237185).

Almost surely, 2^670400366670 is an apocalyptic number.

670400366670 is an abundant number, since it is smaller than the sum of its proper divisors (1118734813170).

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

670400366670 is a wasteful number, since it uses less digits than its factorization.

670400366670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945666 (or 1945660 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 670400366670 in words is "six hundred seventy billion, four hundred million, three hundred sixty-six thousand, six hundred seventy".