61406611 has 8 divisors (see below), whose sum is σ = 70228224. Its totient is φ = 52597320.

The previous prime is 61406599. The next prime is 61406627. The reversal of 61406611 is 11660416.

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 61406611 - 2²⁵ = 27852179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61406911) 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, 13746 + ... + 17656.

It is an arithmetic number, because the mean of its divisors is an integer number (8778528).

Almost surely, 2^61406611 is an apocalyptic number.

61406611 is a deficient number, since it is larger than the sum of its proper divisors (8821613).

61406611 is a wasteful number, since it uses less digits than its factorization.

61406611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 61406611 is about 7836.2370433774. The cubic root of 61406611 is about 394.5224394659.

The spelling of 61406611 in words is "sixty-one million, four hundred six thousand, six hundred eleven".