3918169401 has 16 divisors (see below), whose sum is σ = 5566777344. Its totient is φ = 2442795264.

The previous prime is 3918169397. The next prime is 3918169421. The reversal of 3918169401 is 1049618193.

It is not a de Polignac number, because 3918169401 - 2² = 3918169397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3918169421) 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, 236665 + ... + 252678.

It is an arithmetic number, because the mean of its divisors is an integer number (347923584).

Almost surely, 2^3918169401 is an apocalyptic number.

It is an amenable number.

3918169401 is a deficient number, since it is larger than the sum of its proper divisors (1648607943).

3918169401 is a wasteful number, since it uses less digits than its factorization.

3918169401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489520.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 3918169401 is about 62595.2825778429. The cubic root of 3918169401 is about 1576.5015529474.

The spelling of 3918169401 in words is "three billion, nine hundred eighteen million, one hundred sixty-nine thousand, four hundred one".