156166366045 has 16 divisors (see below), whose sum is σ = 194546770560. Its totient is φ = 120198786624.

The previous prime is 156166366043. The next prime is 156166366073. The reversal of 156166366045 is 540663661651.

It is a cyclic number.

It is not a de Polignac number, because 156166366045 - 2¹ = 156166366043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156166366045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156166366043) 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, 1861809 + ... + 1943878.

It is an arithmetic number, because the mean of its divisors is an integer number (12159173160).

Almost surely, 2^156166366045 is an apocalyptic number.

It is an amenable number.

156166366045 is a deficient number, since it is larger than the sum of its proper divisors (38380404515).

156166366045 is a wasteful number, since it uses less digits than its factorization.

156166366045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806004.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 156166366045 in words is "one hundred fifty-six billion, one hundred sixty-six million, three hundred sixty-six thousand, forty-five".