61168247 has 8 divisors (see below), whose sum is σ = 72946176. Its totient is φ = 50150232.

The previous prime is 61168241. The next prime is 61168271. The reversal of 61168247 is 74286116.

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 61168247 - 2¹⁴ = 61151863 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 (61168241) 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, 189803 + ... + 190124.

It is an arithmetic number, because the mean of its divisors is an integer number (9118272).

Almost surely, 2^61168247 is an apocalyptic number.

61168247 is a deficient number, since it is larger than the sum of its proper divisors (11777929).

61168247 is a wasteful number, since it uses less digits than its factorization.

61168247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379957.

The product of its digits is 16128, while the sum is 35.

The square root of 61168247 is about 7821.0131696603. The cubic root of 61168247 is about 394.0113007486.

The spelling of 61168247 in words is "sixty-one million, one hundred sixty-eight thousand, two hundred forty-seven".