1402100661 has 8 divisors (see below), whose sum is σ = 2013272800. Its totient is φ = 862831152.

The previous prime is 1402100627. The next prime is 1402100717. The reversal of 1402100661 is 1660012041.

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

It is not a de Polignac number, because 1402100661 - 2¹⁰ = 1402099637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402100461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17975611 + ... + 17975688.

It is an arithmetic number, because the mean of its divisors is an integer number (251659100).

Almost surely, 2^1402100661 is an apocalyptic number.

It is an amenable number.

1402100661 is a deficient number, since it is larger than the sum of its proper divisors (611172139).

1402100661 is a wasteful number, since it uses less digits than its factorization.

1402100661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35951315.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1402100661 is about 37444.6346089797. The cubic root of 1402100661 is about 1119.2481829975.

The spelling of 1402100661 in words is "one billion, four hundred two million, one hundred thousand, six hundred sixty-one".