126964163784 has 16 divisors (see below), whose sum is σ = 317410409520. Its totient is φ = 42321387920.

The previous prime is 126964163779. The next prime is 126964163803. The reversal of 126964163784 is 487361469621.

It is a super-2 number, since 2×126964163784² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645086722 + ... + 2645086769.

It is an arithmetic number, because the mean of its divisors is an integer number (19838150595).

Almost surely, 2^126964163784 is an apocalyptic number.

It is an amenable number.

126964163784 is an abundant number, since it is smaller than the sum of its proper divisors (190446245736).

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

126964163784 is a wasteful number, since it uses less digits than its factorization.

126964163784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290173500 (or 5290173496 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 126964163784 in words is "one hundred twenty-six billion, nine hundred sixty-four million, one hundred sixty-three thousand, seven hundred eighty-four".