1006402664 has 32 divisors (see below), whose sum is σ = 1943335200. Its totient is φ = 488255040.

The previous prime is 1006402613. The next prime is 1006402679. The reversal of 1006402664 is 4662046001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107699 + ... + 116669.

It is an arithmetic number, because the mean of its divisors is an integer number (60729225).

Almost surely, 2^1006402664 is an apocalyptic number.

It is an amenable number.

1006402664 is a deficient number, since it is larger than the sum of its proper divisors (936932536).

1006402664 is a wasteful number, since it uses less digits than its factorization.

1006402664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393 (or 9389 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1006402664 is about 31723.8500816026. The cubic root of 1006402664 is about 1002.1296825657.

Adding to 1006402664 its reverse (4662046001), we get a palindrome (5668448665).

The spelling of 1006402664 in words is "one billion, six million, four hundred two thousand, six hundred sixty-four".