61501996 has 12 divisors (see below), whose sum is σ = 107974552. Its totient is φ = 30652128.

The previous prime is 61501963. The next prime is 61502003. The reversal of 61501996 is 69910516.

61501996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23310 + ... + 25813.

Almost surely, 2^61501996 is an apocalyptic number.

It is an amenable number.

61501996 is a deficient number, since it is larger than the sum of its proper divisors (46472556).

61501996 is a wasteful number, since it uses less digits than its factorization.

61501996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49440 (or 49438 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 61501996 is about 7842.3208299584. The cubic root of 61501996 is about 394.7266088775.

The spelling of 61501996 in words is "sixty-one million, five hundred one thousand, nine hundred ninety-six".