921012662 has 4 divisors (see below), whose sum is σ = 1381518996. Its totient is φ = 460506330.

The previous prime is 921012647. The next prime is 921012671. The reversal of 921012662 is 266210129.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230253164 + ... + 230253167.

It is an arithmetic number, because the mean of its divisors is an integer number (345379749).

Almost surely, 2^921012662 is an apocalyptic number.

921012662 is a deficient number, since it is larger than the sum of its proper divisors (460506334).

921012662 is a wasteful number, since it uses less digits than its factorization.

921012662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460506333.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 921012662 is about 30348.1904238128. The cubic root of 921012662 is about 972.9455445519.

The spelling of 921012662 in words is "nine hundred twenty-one million, twelve thousand, six hundred sixty-two".