1006699001 has 16 divisors (see below), whose sum is σ = 1261627008. Its totient is φ = 780364800.

The previous prime is 1006698977. The next prime is 1006699009. The reversal of 1006699001 is 1009966001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1006699001 - 2¹⁰ = 1006697977 is a prime.

It is a super-2 number, since 2×1006699001² = 2026885757228796002, which contains 22 as substring.

1006699001 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006699009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19010 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (78851688).

Almost surely, 2^1006699001 is an apocalyptic number.

1006699001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1006699001 is a deficient number, since it is larger than the sum of its proper divisors (254928007).

1006699001 is a wasteful number, since it uses less digits than its factorization.

1006699001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67952.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1006699001 is about 31728.5203090217. The cubic root of 1006699001 is about 1002.2280325177.

It can be divided in two parts, 1006 and 699001, that added together give a palindrome (700007).

The spelling of 1006699001 in words is "one billion, six million, six hundred ninety-nine thousand, one".