266046011661466 has 8 divisors (see below), whose sum is σ = 399069431871264. Its totient is φ = 133022867704380.

The previous prime is 266046011661403. The next prime is 266046011661571. The reversal of 266046011661466 is 664166110640662.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66638520 + ... + 70517971.

It is an arithmetic number, because the mean of its divisors is an integer number (49883678983908).

Almost surely, 2^{266046011661466} is an apocalyptic number.

266046011661466 is a deficient number, since it is larger than the sum of its proper divisors (133023420209798).

266046011661466 is a wasteful number, since it uses less digits than its factorization.

266046011661466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138126356.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 266046011661466 in words is "two hundred sixty-six trillion, forty-six billion, eleven million, six hundred sixty-one thousand, four hundred sixty-six".