266046151256342 has 4 divisors (see below), whose sum is σ = 399069226884516. Its totient is φ = 133023075628170.

The previous prime is 266046151256311. The next prime is 266046151256377. The reversal of 266046151256342 is 243652151640662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66511537814084 + ... + 66511537814087.

It is an arithmetic number, because the mean of its divisors is an integer number (99767306721129).

Almost surely, 2^{266046151256342} is an apocalyptic number.

266046151256342 is a deficient number, since it is larger than the sum of its proper divisors (133023075628174).

266046151256342 is a wasteful number, since it uses less digits than its factorization.

266046151256342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133023075628173.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 266046151256342 in words is "two hundred sixty-six trillion, forty-six billion, one hundred fifty-one million, two hundred fifty-six thousand, three hundred forty-two".