61672268527 has 8 divisors (see below), whose sum is σ = 64017354240. Its totient is φ = 59349411480.

The previous prime is 61672268519. The next prime is 61672268557. The reversal of 61672268527 is 72586227616.

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 61672268527 - 2³ = 61672268519 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 (61672268557) 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, 5551513 + ... + 5562610.

It is an arithmetic number, because the mean of its divisors is an integer number (8002169280).

Almost surely, 2^61672268527 is an apocalyptic number.

61672268527 is a deficient number, since it is larger than the sum of its proper divisors (2345085713).

61672268527 is a wasteful number, since it uses less digits than its factorization.

61672268527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114333.

The product of its digits is 3386880, while the sum is 52.

The spelling of 61672268527 in words is "sixty-one billion, six hundred seventy-two million, two hundred sixty-eight thousand, five hundred twenty-seven".