766149051 has 4 divisors (see below), whose sum is σ = 1021532072. Its totient is φ = 510766032.

The previous prime is 766149019. The next prime is 766149061. The reversal of 766149051 is 150941667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150941667 = 3 ⋅50313889.

It is not a de Polignac number, because 766149051 - 2⁵ = 766149019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766149061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127691506 + ... + 127691511.

It is an arithmetic number, because the mean of its divisors is an integer number (255383018).

Almost surely, 2^766149051 is an apocalyptic number.

766149051 is a deficient number, since it is larger than the sum of its proper divisors (255383021).

766149051 is a wasteful number, since it uses less digits than its factorization.

766149051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255383020.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 766149051 is about 27679.3975909881. The cubic root of 766149051 is about 915.0351051060.

The spelling of 766149051 in words is "seven hundred sixty-six million, one hundred forty-nine thousand, fifty-one".