1266670002 has 64 divisors (see below), whose sum is σ = 2825819136. Its totient is φ = 376047360.

The previous prime is 1266669991. The next prime is 1266670021. The reversal of 1266670002 is 2000766621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249663 + ... + 254685.

It is an arithmetic number, because the mean of its divisors is an integer number (44153424).

Almost surely, 2^1266670002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266670002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412909568).

1266670002 is an abundant number, since it is smaller than the sum of its proper divisors (1559149134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266670002 is a wasteful number, since it uses less digits than its factorization.

1266670002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1266670002 is about 35590.3076974617. The cubic root of 1266670002 is about 1081.9848052005.

The spelling of 1266670002 in words is "one billion, two hundred sixty-six million, six hundred seventy thousand, two".