61167228367 has 12 divisors (see below), whose sum is σ = 71224013016. Its totient is φ = 52377254160.

The previous prime is 61167228349. The next prime is 61167228373. The reversal of 61167228367 is 76382276116.

It is a de Polignac number, because none of the positive numbers 2^k-61167228367 is a prime.

It is a super-2 number, since 2×61167228367² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 61167228367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61167228347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566509 + ... + 665782.

It is an arithmetic number, because the mean of its divisors is an integer number (5935334418).

Almost surely, 2^61167228367 is an apocalyptic number.

61167228367 is a deficient number, since it is larger than the sum of its proper divisors (10056784649).

61167228367 is a wasteful number, since it uses less digits than its factorization.

61167228367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233318 (or 1233311 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The spelling of 61167228367 in words is "sixty-one billion, one hundred sixty-seven million, two hundred twenty-eight thousand, three hundred sixty-seven".