61068371507 has 8 divisors (see below), whose sum is σ = 71744660400. Its totient is φ = 51246185760.

The previous prime is 61068371479. The next prime is 61068371527. The reversal of 61068371507 is 70517386016.

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

It is not a de Polignac number, because 61068371507 - 2⁸ = 61068371251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61068371527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213525632 + ... + 213525917.

It is an arithmetic number, because the mean of its divisors is an integer number (8968082550).

Almost surely, 2^61068371507 is an apocalyptic number.

61068371507 is a deficient number, since it is larger than the sum of its proper divisors (10676288893).

61068371507 is a wasteful number, since it uses less digits than its factorization.

61068371507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427051573.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 61068371507 in words is "sixty-one billion, sixty-eight million, three hundred seventy-one thousand, five hundred seven".