196481381564 has 24 divisors (see below), whose sum is σ = 370337203488. Its totient is φ = 90672603840.

The previous prime is 196481381561. The next prime is 196481381567. The reversal of 196481381564 is 465183184691.

It is an interprime number because it is at equal distance from previous prime (196481381561) and next prime (196481381567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196481381561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204854 + ... + 659490.

It is an arithmetic number, because the mean of its divisors is an integer number (15430716812).

Almost surely, 2^196481381564 is an apocalyptic number.

It is an amenable number.

196481381564 is a deficient number, since it is larger than the sum of its proper divisors (173855821924).

196481381564 is a wasteful number, since it uses less digits than its factorization.

196481381564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462965 (or 462963 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 196481381564 in words is "one hundred ninety-six billion, four hundred eighty-one million, three hundred eighty-one thousand, five hundred sixty-four".