349804862161 has 8 divisors (see below), whose sum is σ = 368630786880. Its totient is φ = 331020451728.

The previous prime is 349804862107. The next prime is 349804862191. The reversal of 349804862161 is 161268408943.

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

It is a cyclic number.

It is not a de Polignac number, because 349804862161 - 2²¹ = 349802765009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349804862099 and 349804862108.

It is not an unprimeable number, because it can be changed into a prime (349804862191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10361266 + ... + 10394971.

It is an arithmetic number, because the mean of its divisors is an integer number (46078848360).

Almost surely, 2^349804862161 is an apocalyptic number.

It is an amenable number.

349804862161 is a deficient number, since it is larger than the sum of its proper divisors (18825924719).

349804862161 is a wasteful number, since it uses less digits than its factorization.

349804862161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757143.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 349804862161 in words is "three hundred forty-nine billion, eight hundred four million, eight hundred sixty-two thousand, one hundred sixty-one".