156616061 has 8 divisors (see below), whose sum is σ = 184763904. Its totient is φ = 129911760.

The previous prime is 156616027. The next prime is 156616063. The reversal of 156616061 is 160616651.

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 156616061 - 2⁶ = 156615997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156616063) 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, 360650 + ... + 361083.

It is an arithmetic number, because the mean of its divisors is an integer number (23095488).

Almost surely, 2^156616061 is an apocalyptic number.

It is an amenable number.

156616061 is a deficient number, since it is larger than the sum of its proper divisors (28147843).

156616061 is an equidigital number, since it uses as much as digits as its factorization.

156616061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721771.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 156616061 is about 12514.6338739893. The cubic root of 156616061 is about 539.0289602058.

The spelling of 156616061 in words is "one hundred fifty-six million, six hundred sixteen thousand, sixty-one".