156671066541 has 16 divisors (see below), whose sum is σ = 228880330560. Its totient is φ = 94537518720.

The previous prime is 156671066521. The next prime is 156671066557. The reversal of 156671066541 is 145660176651.

It is a happy number.

It is not a de Polignac number, because 156671066541 - 2¹⁴ = 156671050157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156671066521) 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, 10358400 + ... + 10373513.

It is an arithmetic number, because the mean of its divisors is an integer number (14305020660).

Almost surely, 2^156671066541 is an apocalyptic number.

156671066541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156671066541 is a deficient number, since it is larger than the sum of its proper divisors (72209264019).

156671066541 is a wasteful number, since it uses less digits than its factorization.

156671066541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20732156.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 156671066541 in words is "one hundred fifty-six billion, six hundred seventy-one million, sixty-six thousand, five hundred forty-one".