61416461 has 8 divisors (see below), whose sum is σ = 67272120. Its totient is φ = 55810048.

The previous prime is 61416419. The next prime is 61416473. The reversal of 61416461 is 16461416.

It can be written as a sum of positive squares in 4 ways, for example, as 26677225 + 34739236 = 5165^2 + 5894^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61416461 - 2²² = 57222157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61416361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61796 + ... + 62781.

It is an arithmetic number, because the mean of its divisors is an integer number (8409015).

Almost surely, 2^61416461 is an apocalyptic number.

It is an amenable number.

61416461 is a deficient number, since it is larger than the sum of its proper divisors (5855659).

61416461 is a wasteful number, since it uses less digits than its factorization.

61416461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124623.

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

The square root of 61416461 is about 7836.8655086074. The cubic root of 61416461 is about 394.5435329508.

Adding to 61416461 its reverse (16461416), we get a palindrome (77877877).

The spelling of 61416461 in words is "sixty-one million, four hundred sixteen thousand, four hundred sixty-one".