61464161 has 8 divisors (see below), whose sum is σ = 67424448. Its totient is φ = 55566000.

The previous prime is 61464113. The next prime is 61464173. The reversal of 61464161 is 16146416.

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 61464161 - 2¹⁰ = 61463137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61464181) 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, 13445 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (8428056).

Almost surely, 2^61464161 is an apocalyptic number.

It is an amenable number.

61464161 is a deficient number, since it is larger than the sum of its proper divisors (5960287).

61464161 is a wasteful number, since it uses less digits than its factorization.

61464161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31063.

The product of its digits is 3456, while the sum is 29.

The square root of 61464161 is about 7839.9082265037. The cubic root of 61464161 is about 394.6456492027.

The spelling of 61464161 in words is "sixty-one million, four hundred sixty-four thousand, one hundred sixty-one".