26420021203161 has 8 divisors (see below), whose sum is σ = 35226718772544. Its totient is φ = 17613335551280.

The previous prime is 26420021203157. The next prime is 26420021203171. The reversal of 26420021203161 is 16130212002462.

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 26420021203161 - 2² = 26420021203157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26420021203111) 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, 6522451 + ... + 9766391.

It is an arithmetic number, because the mean of its divisors is an integer number (4403339846568).

Almost surely, 2^{26420021203161} is an apocalyptic number.

It is an amenable number.

26420021203161 is a deficient number, since it is larger than the sum of its proper divisors (8806697569383).

26420021203161 is a wasteful number, since it uses less digits than its factorization.

26420021203161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958751.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 26420021203161 in words is "twenty-six trillion, four hundred twenty billion, twenty-one million, two hundred three thousand, one hundred sixty-one".