266041641 has 8 divisors (see below), whose sum is σ = 357976960. Its totient is φ = 175733712.

The previous prime is 266041639. The next prime is 266041673. The reversal of 266041641 is 146140662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266041641 - 2¹ = 266041639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266041599 and 266041608.

It is not an unprimeable number, because it can be changed into a prime (266041631) 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, 406465 + ... + 407118.

It is an arithmetic number, because the mean of its divisors is an integer number (44747120).

Almost surely, 2^266041641 is an apocalyptic number.

It is an amenable number.

266041641 is a deficient number, since it is larger than the sum of its proper divisors (91935319).

266041641 is a wasteful number, since it uses less digits than its factorization.

266041641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813695.

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

The square root of 266041641 is about 16310.7829671049. The cubic root of 266041641 is about 643.1563166286.

The spelling of 266041641 in words is "two hundred sixty-six million, forty-one thousand, six hundred forty-one".