61070673881 has 8 divisors (see below), whose sum is σ = 69797736960. Its totient is φ = 52344281088.

The previous prime is 61070673823. The next prime is 61070673901. The reversal of 61070673881 is 18837607016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61070673881 is a prime.

It is a super-2 number, since 2×61070673881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61070678881) by changing a digit.

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, 45785 + ... + 352473.

It is an arithmetic number, because the mean of its divisors is an integer number (8724717120).

Almost surely, 2^61070673881 is an apocalyptic number.

It is an amenable number.

61070673881 is a deficient number, since it is larger than the sum of its proper divisors (8727063079).

61070673881 is a wasteful number, since it uses less digits than its factorization.

61070673881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335143.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 61070673881 in words is "sixty-one billion, seventy million, six hundred seventy-three thousand, eight hundred eighty-one".