1966222436136 has 32 divisors (see below), whose sum is σ = 5617778389440. Its totient is φ = 561777838848.

The previous prime is 1966222436119. The next prime is 1966222436141. The reversal of 1966222436136 is 6316342226691.

It is a super-2 number, since 2×1966222436136² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851852321 + ... + 5851852656.

It is an arithmetic number, because the mean of its divisors is an integer number (175555574670).

Almost surely, 2^{1966222436136} is an apocalyptic number.

It is an amenable number.

1966222436136 is an abundant number, since it is smaller than the sum of its proper divisors (3651555953304).

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

1966222436136 is a wasteful number, since it uses less digits than its factorization.

1966222436136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703704993 (or 11703704989 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 1966222436136 in words is "one trillion, nine hundred sixty-six billion, two hundred twenty-two million, four hundred thirty-six thousand, one hundred thirty-six".