59661966 has 64 divisors (see below), whose sum is σ = 148313088. Its totient is φ = 15579648.

The previous prime is 59661923. The next prime is 59661967. The reversal of 59661966 is 66916695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59661967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61215 + ... + 62181.

It is an arithmetic number, because the mean of its divisors is an integer number (2317392).

Almost surely, 2^59661966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59661966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74156544).

59661966 is an abundant number, since it is smaller than the sum of its proper divisors (88651122).

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

59661966 is a wasteful number, since it uses less digits than its factorization.

59661966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its digits is 524880, while the sum is 48.

The square root of 59661966 is about 7724.1158717357. The cubic root of 59661966 is about 390.7501800063.

The spelling of 59661966 in words is "fifty-nine million, six hundred sixty-one thousand, nine hundred sixty-six".