61064406 has 24 divisors (see below), whose sum is σ = 142484160. Its totient is φ = 18788976.

The previous prime is 61064387. The next prime is 61064417. The reversal of 61064406 is 60446016.

61064406 is a `hidden beast` number, since 6 + 10 + 644 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61064406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130246 + ... + 130713.

It is an arithmetic number, because the mean of its divisors is an integer number (5936840).

Almost surely, 2^61064406 is an apocalyptic number.

61064406 is an abundant number, since it is smaller than the sum of its proper divisors (81419754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61064406 is a wasteful number, since it uses less digits than its factorization.

61064406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260980 (or 260977 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 61064406 is about 7814.3717597770. The cubic root of 61064406 is about 393.7882127691.

The spelling of 61064406 in words is "sixty-one million, sixty-four thousand, four hundred six".