8126216001 has 32 divisors (see below), whose sum is σ = 12742620800. Its totient is φ = 5103933120.

The previous prime is 8126215987. The next prime is 8126216009. The reversal of 8126216001 is 1006126218.

It is not a de Polignac number, because 8126216001 - 2¹⁴ = 8126199617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8126216009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49095 + ... + 136611.

It is an arithmetic number, because the mean of its divisors is an integer number (398206900).

Almost surely, 2^8126216001 is an apocalyptic number.

It is an amenable number.

8126216001 is a deficient number, since it is larger than the sum of its proper divisors (4616404799).

8126216001 is a wasteful number, since it uses less digits than its factorization.

8126216001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87726 (or 87720 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 8126216001 is about 90145.5267941788. The cubic root of 8126216001 is about 2010.4631657080.

The spelling of 8126216001 in words is "eight billion, one hundred twenty-six million, two hundred sixteen thousand, one".