39925854161 has 8 divisors (see below), whose sum is σ = 41417376000. Its totient is φ = 38458985760.

The previous prime is 39925854131. The next prime is 39925854209. The reversal of 39925854161 is 16145852993.

39925854161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39925854161 - 2¹⁰ = 39925853137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39925854131) 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, 6160061 + ... + 6166538.

It is an arithmetic number, because the mean of its divisors is an integer number (5177172000).

Almost surely, 2^39925854161 is an apocalyptic number.

It is an amenable number.

39925854161 is a deficient number, since it is larger than the sum of its proper divisors (1491521839).

39925854161 is a wasteful number, since it uses less digits than its factorization.

39925854161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12326719.

The product of its digits is 2332800, while the sum is 53.

The spelling of 39925854161 in words is "thirty-nine billion, nine hundred twenty-five million, eight hundred fifty-four thousand, one hundred sixty-one".