611406463156172 has 24 divisors (see below), whose sum is σ = 1087536780066240. Its totient is φ = 300681992540160.

The previous prime is 611406463156063. The next prime is 611406463156199. The reversal of 611406463156172 is 271651364604116.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32887172 + ... + 48003947.

It is an arithmetic number, because the mean of its divisors is an integer number (45314032502760).

Almost surely, 2^{611406463156172} is an apocalyptic number.

It is an amenable number.

611406463156172 is a deficient number, since it is larger than the sum of its proper divisors (476130316910068).

611406463156172 is a wasteful number, since it uses less digits than its factorization.

611406463156172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80922161 (or 80922159 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 611406463156172 in words is "six hundred eleven trillion, four hundred six billion, four hundred sixty-three million, one hundred fifty-six thousand, one hundred seventy-two".