61466687 has 2 divisors, whose sum is σ = 61466688. Its totient is φ = 61466686.

The previous prime is 61466683. The next prime is 61466701. The reversal of 61466687 is 78666416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61466687 - 2² = 61466683 is a prime.

It is a super-2 number, since 2×61466687² = 7556307221511938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61466683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30733343 + 30733344.

It is an arithmetic number, because the mean of its divisors is an integer number (30733344).

Almost surely, 2^61466687 is an apocalyptic number.

61466687 is a deficient number, since it is larger than the sum of its proper divisors (1).

61466687 is an equidigital number, since it uses as much as digits as its factorization.

61466687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 61466687 is about 7840.0693236731. The cubic root of 61466687 is about 394.6510553952.

The spelling of 61466687 in words is "sixty-one million, four hundred sixty-six thousand, six hundred eighty-seven".