670219951074816 has 320 divisors, whose sum is σ = 1841961768615936. Its totient is φ = 216428947660800.

The previous prime is 670219951074799. The next prime is 670219951074823. The reversal of 670219951074816 is 618470159912076.

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, 34315690971 + ... + 34315710501.

Almost surely, 2^{670219951074816} 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 670219951074816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920980884307968).

670219951074816 is an abundant number, since it is smaller than the sum of its proper divisors (1171741817541120).

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

670219951074816 is a wasteful number, since it uses less digits than its factorization.

670219951074816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23813 (or 23797 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 670219951074816 in words is "six hundred seventy trillion, two hundred nineteen billion, nine hundred fifty-one million, seventy-four thousand, eight hundred sixteen".