61456667 has 16 divisors (see below), whose sum is σ = 66353472. Its totient is φ = 56770560.

The previous prime is 61456657. The next prime is 61456673. The reversal of 61456667 is 76665416.

61456667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61456667 - 2¹⁴ = 61440283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61456657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218567 + ... + 218847.

It is an arithmetic number, because the mean of its divisors is an integer number (4147092).

Almost surely, 2^61456667 is an apocalyptic number.

61456667 is a deficient number, since it is larger than the sum of its proper divisors (4896805).

61456667 is a wasteful number, since it uses less digits than its factorization.

61456667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598.

The product of its digits is 181440, while the sum is 41.

The square root of 61456667 is about 7839.4302726665. The cubic root of 61456667 is about 394.6296095321.

The spelling of 61456667 in words is "sixty-one million, four hundred fifty-six thousand, six hundred sixty-seven".