61980662 has 8 divisors (see below), whose sum is σ = 93873936. Its totient is φ = 30689352.

The previous prime is 61980649. The next prime is 61980671. The reversal of 61980662 is 26608916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150233 + ... + 150644.

It is an arithmetic number, because the mean of its divisors is an integer number (11734242).

Almost surely, 2^61980662 is an apocalyptic number.

61980662 is a deficient number, since it is larger than the sum of its proper divisors (31893274).

61980662 is a wasteful number, since it uses less digits than its factorization.

61980662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300982.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 61980662 is about 7872.7798140174. The cubic root of 61980662 is about 395.7480073838.

The spelling of 61980662 in words is "sixty-one million, nine hundred eighty thousand, six hundred sixty-two".