116426647491 has 64 divisors (see below), whose sum is σ = 215710801920. Its totient is φ = 53927631360.

The previous prime is 116426647487. The next prime is 116426647499. The reversal of 116426647491 is 194746624611.

It is a happy number.

It is not a de Polignac number, because 116426647491 - 2² = 116426647487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (116426647499) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 705591 + ... + 854816.

It is an arithmetic number, because the mean of its divisors is an integer number (3370481280).

Almost surely, 2^116426647491 is an apocalyptic number.

116426647491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116426647491 is a deficient number, since it is larger than the sum of its proper divisors (99284154429).

116426647491 is a wasteful number, since it uses less digits than its factorization.

116426647491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560464.

The product of its digits is 1741824, while the sum is 51.

The spelling of 116426647491 in words is "one hundred sixteen billion, four hundred twenty-six million, six hundred forty-seven thousand, four hundred ninety-one".