343737128061 has 16 divisors (see below), whose sum is σ = 509269958400. Its totient is φ = 229144689504.

The previous prime is 343737128047. The next prime is 343737128153. The reversal of 343737128061 is 160821737343.

343737128061 is a `hidden beast` number, since 3 + 437 + 37 + 128 + 0 + 61 = 666.

It is not a de Polignac number, because 343737128061 - 2¹⁰ = 343737127037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343737127998 and 343737128016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343737128011) 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, 109665 + ... + 836361.

It is an arithmetic number, because the mean of its divisors is an integer number (31829372400).

Almost surely, 2^343737128061 is an apocalyptic number.

It is an amenable number.

343737128061 is a deficient number, since it is larger than the sum of its proper divisors (165532830339).

343737128061 is a wasteful number, since it uses less digits than its factorization.

343737128061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744225 (or 744219 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 343737128061 in words is "three hundred forty-three billion, seven hundred thirty-seven million, one hundred twenty-eight thousand, sixty-one".