61462567081 has 8 divisors (see below), whose sum is σ = 62628189120. Its totient is φ = 60297165552.

The previous prime is 61462567073. The next prime is 61462567093. The reversal of 61462567081 is 18076526416.

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

It is a cyclic number.

It is not a de Polignac number, because 61462567081 - 2³ = 61462567073 is a prime.

It is a super-2 number, since 2×61462567081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61462567051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575290 + ... + 673708.

It is an arithmetic number, because the mean of its divisors is an integer number (7828523640).

Almost surely, 2^61462567081 is an apocalyptic number.

It is an amenable number.

61462567081 is a deficient number, since it is larger than the sum of its proper divisors (1165622039).

61462567081 is a wasteful number, since it uses less digits than its factorization.

61462567081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110255.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 61462567081 in words is "sixty-one billion, four hundred sixty-two million, five hundred sixty-seven thousand, eighty-one".