61548167 has 4 divisors (see below), whose sum is σ = 61695480. Its totient is φ = 61400856.

The previous prime is 61548139. The next prime is 61548169. The reversal of 61548167 is 76184516.

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 61548167 - 2⁶ = 61548103 is a prime.

It is a super-2 number, since 2×61548167² = 7576353722119778, which contains 22 as substring.

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 61548167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61548169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73028 + ... + 73865.

It is an arithmetic number, because the mean of its divisors is an integer number (15423870).

Almost surely, 2^61548167 is an apocalyptic number.

61548167 is a deficient number, since it is larger than the sum of its proper divisors (147313).

61548167 is a wasteful number, since it uses less digits than its factorization.

61548167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147312.

The product of its digits is 40320, while the sum is 38.

The square root of 61548167 is about 7845.2639853608. The cubic root of 61548167 is about 394.8253610304.

The spelling of 61548167 in words is "sixty-one million, five hundred forty-eight thousand, one hundred sixty-seven".