1601457442861 has 8 divisors (see below), whose sum is σ = 1606063109760. Its totient is φ = 1596852166272.

The previous prime is 1601457442829. The next prime is 1601457442909. The reversal of 1601457442861 is 1682447541061.

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 1601457442861 - 2⁵ = 1601457442829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601457422861) 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, 9462300 + ... + 9630058.

It is an arithmetic number, because the mean of its divisors is an integer number (200757888720).

Almost surely, 2^{1601457442861} is an apocalyptic number.

It is an amenable number.

1601457442861 is a deficient number, since it is larger than the sum of its proper divisors (4605666899).

1601457442861 is a wasteful number, since it uses less digits than its factorization.

1601457442861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195155.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 1601457442861 in words is "one trillion, six hundred one billion, four hundred fifty-seven million, four hundred forty-two thousand, eight hundred sixty-one".