1821160696670 has 48 divisors (see below), whose sum is σ = 3819784333680. Its totient is φ = 623334144384.

The previous prime is 1821160696669. The next prime is 1821160696699. The reversal of 1821160696670 is 766960611281.

It is a congruent number.

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, 2878175 + ... + 3453434.

It is an arithmetic number, because the mean of its divisors is an integer number (79578840285).

Almost surely, 2^{1821160696670} is an apocalyptic number.

1821160696670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1821160696670 is an abundant number, since it is smaller than the sum of its proper divisors (1998623637010).

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

1821160696670 is a wasteful number, since it uses less digits than its factorization.

1821160696670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332217 (or 6332210 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1821160696670 in words is "one trillion, eight hundred twenty-one billion, one hundred sixty million, six hundred ninety-six thousand, six hundred seventy".