61867616 has 12 divisors (see below), whose sum is σ = 121801932. Its totient is φ = 30933792.

The previous prime is 61867567. The next prime is 61867633. The reversal of 61867616 is 61676816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966650 + ... + 966713.

It is an arithmetic number, because the mean of its divisors is an integer number (10150161).

Almost surely, 2^61867616 is an apocalyptic number.

It is an amenable number.

61867616 is a deficient number, since it is larger than the sum of its proper divisors (59934316).

61867616 is a wasteful number, since it uses less digits than its factorization.

61867616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933373 (or 1933365 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 61867616 is about 7865.5969894217. The cubic root of 61867616 is about 395.5072604889.

The spelling of 61867616 in words is "sixty-one million, eight hundred sixty-seven thousand, six hundred sixteen".