120661616 has 40 divisors (see below), whose sum is σ = 237853824. Its totient is φ = 59290560.

The previous prime is 120661603. The next prime is 120661637. The reversal of 120661616 is 616166021.

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, 347555 + ... + 347901.

Almost surely, 2^120661616 is an apocalyptic number.

120661616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120661616 is a deficient number, since it is larger than the sum of its proper divisors (117192208).

120661616 is a wasteful number, since it uses less digits than its factorization.

120661616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 120661616 is about 10984.6081404846. The cubic root of 120661616 is about 494.1472458504.

The spelling of 120661616 in words is "one hundred twenty million, six hundred sixty-one thousand, six hundred sixteen".