78616366151 has 4 divisors (see below), whose sum is σ = 78842926632. Its totient is φ = 78389805672.

The previous prime is 78616366111. The next prime is 78616366181. The reversal of 78616366151 is 15166361687.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15166361687 = 88397 ⋅171571.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78616366151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78616366151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78616366111) 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, 113279720 + ... + 113280413.

It is an arithmetic number, because the mean of its divisors is an integer number (19710731658).

Almost surely, 2^78616366151 is an apocalyptic number.

78616366151 is a deficient number, since it is larger than the sum of its proper divisors (226560481).

78616366151 is a wasteful number, since it uses less digits than its factorization.

78616366151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226560480.

The product of its digits is 1088640, while the sum is 50.

The spelling of 78616366151 in words is "seventy-eight billion, six hundred sixteen million, three hundred sixty-six thousand, one hundred fifty-one".