26196415768 has 8 divisors (see below), whose sum is σ = 49118279580. Its totient is φ = 13098207880.

The previous prime is 26196415711. The next prime is 26196415781. The reversal of 26196415768 is 86751469162.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637275978 + ... + 1637275993.

Almost surely, 2^26196415768 is an apocalyptic number.

It is an amenable number.

26196415768 is a deficient number, since it is larger than the sum of its proper divisors (22921863812).

26196415768 is a wasteful number, since it uses less digits than its factorization.

26196415768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274551977 (or 3274551973 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 26196415768 in words is "twenty-six billion, one hundred ninety-six million, four hundred fifteen thousand, seven hundred sixty-eight".