1216146662 has 8 divisors (see below), whose sum is σ = 1828575000. Its totient is φ = 606621664.

The previous prime is 1216146653. The next prime is 1216146707. The reversal of 1216146662 is 2666416121.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 724787 + ... + 726462.

It is an arithmetic number, because the mean of its divisors is an integer number (228571875).

Almost surely, 2^1216146662 is an apocalyptic number.

1216146662 is a deficient number, since it is larger than the sum of its proper divisors (612428338).

1216146662 is a wasteful number, since it uses less digits than its factorization.

1216146662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451670.

The product of its digits is 20736, while the sum is 35.

The square root of 1216146662 is about 34873.2943955687. The cubic root of 1216146662 is about 1067.4035692903.

The spelling of 1216146662 in words is "one billion, two hundred sixteen million, one hundred forty-six thousand, six hundred sixty-two".