61071620152 has 16 divisors (see below), whose sum is σ = 114546524400. Its totient is φ = 30525880320.

The previous prime is 61071620149. The next prime is 61071620237. The reversal of 61071620152 is 25102617016.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1215049 + ... + 1264312.

It is an arithmetic number, because the mean of its divisors is an integer number (7159157775).

Almost surely, 2^61071620152 is an apocalyptic number.

It is an amenable number.

61071620152 is a deficient number, since it is larger than the sum of its proper divisors (53474904248).

61071620152 is a wasteful number, since it uses less digits than its factorization.

61071620152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482446 (or 2482442 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 61071620152 in words is "sixty-one billion, seventy-one million, six hundred twenty thousand, one hundred fifty-two".