670694400000 has 1008 divisors, whose sum is σ = 2515653425376. Its totient is φ = 172032000000.

The previous prime is 670694399989. The next prime is 670694400029. The reversal of 670694400000 is 4496076.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9446399965 + ... + 9446400035.

It is an arithmetic number, because the mean of its divisors is an integer number (2495687922).

Almost surely, 2^670694400000 is an apocalyptic number.

670694400000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670694400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257826712688).

670694400000 is an abundant number, since it is smaller than the sum of its proper divisors (1844959025376).

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

670694400000 is an frugal number, since it uses more digits than its factorization.

670694400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 670694400000 its reverse (4496076), we get a palindrome (670698896076).

The spelling of 670694400000 in words is "six hundred seventy billion, six hundred ninety-four million, four hundred thousand".