60091658497 has 8 divisors (see below), whose sum is σ = 68520805416. Its totient is φ = 52206327552.

The previous prime is 60091658479. The next prime is 60091658519. The reversal of 60091658497 is 79485619006.

It is a Cunningham number, because it is equal to 245136²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8889472656 + 51202185841 = 94284^2 + 226279^2 .

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-60091658497 is a prime.

It is a super-2 number, since 2×60091658497² (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 (60091650497) 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, 135953758 + ... + 135954199.

It is an arithmetic number, because the mean of its divisors is an integer number (8565100677).

Almost surely, 2^60091658497 is an apocalyptic number.

It is an amenable number.

60091658497 is a deficient number, since it is larger than the sum of its proper divisors (8429146919).

60091658497 is a wasteful number, since it uses less digits than its factorization.

60091658497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271907987.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 60091658497 in words is "sixty billion, ninety-one million, six hundred fifty-eight thousand, four hundred ninety-seven".