61420083652 has 24 divisors (see below), whose sum is σ = 107847210240. Its totient is φ = 30606770880.

The previous prime is 61420083629. The next prime is 61420083667. The reversal of 61420083652 is 25638002416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414773 + ... + 1457539.

It is an arithmetic number, because the mean of its divisors is an integer number (4493633760).

Almost surely, 2^61420083652 is an apocalyptic number.

It is an amenable number.

61420083652 is a deficient number, since it is larger than the sum of its proper divisors (46427126588).

61420083652 is a wasteful number, since it uses less digits than its factorization.

61420083652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43971 (or 43969 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 61420083652 in words is "sixty-one billion, four hundred twenty million, eighty-three thousand, six hundred fifty-two".