1000506616651 has 8 divisors (see below), whose sum is σ = 1007315411120. Its totient is φ = 993714573312.

The previous prime is 1000506616631. The next prime is 1000506616657. The reversal of 1000506616651 is 1566166050001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000506616651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000506616651.

It is not an unprimeable number, because it can be changed into a prime (1000506616657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4067910 + ... + 4306843.

It is an arithmetic number, because the mean of its divisors is an integer number (125914426390).

Almost surely, 2^{1000506616651} is an apocalyptic number.

1000506616651 is a deficient number, since it is larger than the sum of its proper divisors (6808794469).

1000506616651 is an equidigital number, since it uses as much as digits as its factorization.

1000506616651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375565.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1000506616651 in words is "one trillion, five hundred six million, six hundred sixteen thousand, six hundred fifty-one".