612056166403 has 16 divisors (see below), whose sum is σ = 668396044800. Its totient is φ = 555833033280.

The previous prime is 612056166391. The next prime is 612056166437. The reversal of 612056166403 is 304661650216.

It is a cyclic number.

It is not a de Polignac number, because 612056166403 - 2³³ = 603466231811 is a prime.

It is a super-2 number, since 2×612056166403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612056166473) 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, 46847650 + ... + 46860712.

It is an arithmetic number, because the mean of its divisors is an integer number (41774752800).

Almost surely, 2^612056166403 is an apocalyptic number.

612056166403 is a deficient number, since it is larger than the sum of its proper divisors (56339878397).

612056166403 is a wasteful number, since it uses less digits than its factorization.

612056166403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17202.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 612056166403 in words is "six hundred twelve billion, fifty-six million, one hundred sixty-six thousand, four hundred three".