616157072151 has 4 divisors (see below), whose sum is σ = 821542762872. Its totient is φ = 410771381432.

The previous prime is 616157072147. The next prime is 616157072177. The reversal of 616157072151 is 151270751616.

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 616157072151 - 2² = 616157072147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616157052151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102692845356 + ... + 102692845361.

It is an arithmetic number, because the mean of its divisors is an integer number (205385690718).

Almost surely, 2^616157072151 is an apocalyptic number.

616157072151 is a deficient number, since it is larger than the sum of its proper divisors (205385690721).

616157072151 is a wasteful number, since it uses less digits than its factorization.

616157072151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205385690720.

The product of its (nonzero) digits is 88200, while the sum is 42.

The spelling of 616157072151 in words is "six hundred sixteen billion, one hundred fifty-seven million, seventy-two thousand, one hundred fifty-one".