61043166 has 16 divisors (see below), whose sum is σ = 135651600. Its totient is φ = 20347704.

The previous prime is 61043149. The next prime is 61043183. The reversal of 61043166 is 66134016.

61043166 is a `hidden beast` number, since 610 + 43 + 1 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (61043149) and next prime (61043183).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565161 + ... + 565268.

It is an arithmetic number, because the mean of its divisors is an integer number (8478225).

Almost surely, 2^61043166 is an apocalyptic number.

61043166 is an abundant number, since it is smaller than the sum of its proper divisors (74608434).

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

61043166 is a wasteful number, since it uses less digits than its factorization.

61043166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130440 (or 1130434 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61043166 is about 7813.0126071830. The cubic root of 61043166 is about 393.7425504260.

The spelling of 61043166 in words is "sixty-one million, forty-three thousand, one hundred sixty-six".