1670630797984 has 144 divisors (see below), whose sum is σ = 3588218839296. Its totient is φ = 764762342400.

The previous prime is 1670630797961. The next prime is 1670630797993. The reversal of 1670630797984 is 4897970360761.

It is a super-5 number, since 5×1670630797984⁵ (a number of 62 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296155804 + ... + 296161444.

It is an arithmetic number, because the mean of its divisors is an integer number (24918186384).

Almost surely, 2^{1670630797984} 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 1670630797984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794109419648).

1670630797984 is an abundant number, since it is smaller than the sum of its proper divisors (1917588041312).

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

1670630797984 is a wasteful number, since it uses less digits than its factorization.

1670630797984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 67.

The spelling of 1670630797984 in words is "one trillion, six hundred seventy billion, six hundred thirty million, seven hundred ninety-seven thousand, nine hundred eighty-four".