616656151651 has 8 divisors (see below), whose sum is σ = 649142278400. Its totient is φ = 584173078920.

The previous prime is 616656151627. The next prime is 616656151669. The reversal of 616656151651 is 156151656616.

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 616656151651 - 2³¹ = 614508668003 is a prime.

It is a super-2 number, since 2×616656151651² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616656151595 and 616656151604.

It is not an unprimeable number, because it can be changed into a prime (616650151651) 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, 343095 + ... + 1162336.

It is an arithmetic number, because the mean of its divisors is an integer number (81142784800).

Almost surely, 2^616656151651 is an apocalyptic number.

616656151651 is a deficient number, since it is larger than the sum of its proper divisors (32486126749).

616656151651 is a wasteful number, since it uses less digits than its factorization.

616656151651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527009.

The product of its digits is 972000, while the sum is 49.

The spelling of 616656151651 in words is "six hundred sixteen billion, six hundred fifty-six million, one hundred fifty-one thousand, six hundred fifty-one".