116642454421 has 8 divisors (see below), whose sum is σ = 117571819520. Its totient is φ = 115713260208.

The previous prime is 116642454419. The next prime is 116642454517. The reversal of 116642454421 is 124454246611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116642454421 - 2¹ = 116642454419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116642454521) 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, 1568560 + ... + 1641238.

It is an arithmetic number, because the mean of its divisors is an integer number (14696477440).

Almost surely, 2^116642454421 is an apocalyptic number.

It is an amenable number.

116642454421 is a deficient number, since it is larger than the sum of its proper divisors (929365099).

116642454421 is a wasteful number, since it uses less digits than its factorization.

116642454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85443.

The product of its digits is 184320, while the sum is 40.

The spelling of 116642454421 in words is "one hundred sixteen billion, six hundred forty-two million, four hundred fifty-four thousand, four hundred twenty-one".