40777156166 has 16 divisors (see below), whose sum is σ = 65108415600. Its totient is φ = 19098465408.

The previous prime is 40777156073. The next prime is 40777156169. The reversal of 40777156166 is 66165177704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40777156169) 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, 6025175 + ... + 6031938.

It is an arithmetic number, because the mean of its divisors is an integer number (4069275975).

Almost surely, 2^40777156166 is an apocalyptic number.

40777156166 is a deficient number, since it is larger than the sum of its proper divisors (24331259434).

40777156166 is a wasteful number, since it uses less digits than its factorization.

40777156166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12057223.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 40777156166 in words is "forty billion, seven hundred seventy-seven million, one hundred fifty-six thousand, one hundred sixty-six".