116420457651 has 4 divisors (see below), whose sum is σ = 155227276872. Its totient is φ = 77613638432.

The previous prime is 116420457649. The next prime is 116420457679. The reversal of 116420457651 is 156754024611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116420457651 - 2¹ = 116420457649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116420457691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19403409606 + ... + 19403409611.

It is an arithmetic number, because the mean of its divisors is an integer number (38806819218).

Almost surely, 2^116420457651 is an apocalyptic number.

116420457651 is a deficient number, since it is larger than the sum of its proper divisors (38806819221).

116420457651 is an equidigital number, since it uses as much as digits as its factorization.

116420457651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38806819220.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 116420457651 in words is "one hundred sixteen billion, four hundred twenty million, four hundred fifty-seven thousand, six hundred fifty-one".