1402161066 has 12 divisors (see below), whose sum is σ = 3038015682. Its totient is φ = 467387016.

The previous prime is 1402161053. The next prime is 1402161109. The reversal of 1402161066 is 6601612041.

1402161066 is a `hidden beast` number, since 1 + 40 + 2 + 1 + 610 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1371591225 + 30569841 = 37035^2 + 5529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38948901 + ... + 38948936.

Almost surely, 2^1402161066 is an apocalyptic number.

1402161066 is an abundant number, since it is smaller than the sum of its proper divisors (1635854616).

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

1402161066 is a wasteful number, since it uses less digits than its factorization.

1402161066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77897845 (or 77897842 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1402161066 is about 37445.4411911517. The cubic root of 1402161066 is about 1119.2642558367.

The spelling of 1402161066 in words is "one billion, four hundred two million, one hundred sixty-one thousand, sixty-six".