1966161848 has 24 divisors (see below), whose sum is σ = 4288440600. Its totient is φ = 842640624.

The previous prime is 1966161823. The next prime is 1966161859. The reversal of 1966161848 is 8481616691.

It is a junction number, because it is equal to n+sod(n) for n = 1966161796 and 1966161805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2507468 + ... + 2508251.

It is an arithmetic number, because the mean of its divisors is an integer number (178685025).

Almost surely, 2^1966161848 is an apocalyptic number.

It is an amenable number.

1966161848 is an abundant number, since it is smaller than the sum of its proper divisors (2322278752).

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

1966161848 is a wasteful number, since it uses less digits than its factorization.

1966161848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015739 (or 5015728 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 1966161848 is about 44341.4236126897. The cubic root of 1966161848 is about 1252.7750290521.

The spelling of 1966161848 in words is "one billion, nine hundred sixty-six million, one hundred sixty-one thousand, eight hundred forty-eight".