159492061 has 16 divisors (see below), whose sum is σ = 170690560. Its totient is φ = 148599360.

The previous prime is 159492059. The next prime is 159492121. The reversal of 159492061 is 160294951.

It is a 3-Lehmer number, since φ(159492061) divides (159492061-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 159492061 - 2¹ = 159492059 is a prime.

It is a deceptive number, since it divides R_159492060.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159492061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159492001) 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, 378631 + ... + 379051.

It is an arithmetic number, because the mean of its divisors is an integer number (10668160).

It is a Poulet number, since it divides 2^159492060-1.

Almost surely, 2^159492061 is an apocalyptic number.

It is an amenable number.

159492061 is a deficient number, since it is larger than the sum of its proper divisors (11198499).

159492061 is a wasteful number, since it uses less digits than its factorization.

159492061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 159492061 is about 12629.0166283840. The cubic root of 159492061 is about 542.3084315859.

The spelling of 159492061 in words is "one hundred fifty-nine million, four hundred ninety-two thousand, sixty-one".