61546516 has 12 divisors (see below), whose sum is σ = 108302740. Its totient is φ = 30602880.

The previous prime is 61546489. The next prime is 61546549. The reversal of 61546516 is 61564516.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12602500 + 48944016 = 3550^2 + 6996^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41781 + ... + 43228.

Almost surely, 2^61546516 is an apocalyptic number.

It is an amenable number.

61546516 is a deficient number, since it is larger than the sum of its proper divisors (46756224).

61546516 is a wasteful number, since it uses less digits than its factorization.

61546516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85194 (or 85192 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 61546516 is about 7845.1587619372. The cubic root of 61546516 is about 394.8218306653.

The spelling of 61546516 in words is "sixty-one million, five hundred forty-six thousand, five hundred sixteen".