40651161601 has 8 divisors (see below), whose sum is σ = 41355871200. Its totient is φ = 39946975680.

The previous prime is 40651161553. The next prime is 40651161643. The reversal of 40651161601 is 10616115604.

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-40651161601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40651161671) 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, 27321 + ... + 286441.

It is an arithmetic number, because the mean of its divisors is an integer number (5169483900).

Almost surely, 2^40651161601 is an apocalyptic number.

It is an amenable number.

40651161601 is a deficient number, since it is larger than the sum of its proper divisors (704709599).

40651161601 is a wasteful number, since it uses less digits than its factorization.

40651161601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261839.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 40651161601 in words is "forty billion, six hundred fifty-one million, one hundred sixty-one thousand, six hundred one".