155116460209974 has 64 divisors (see below), whose sum is σ = 314986606986240. Its totient is φ = 50917303308960.

The previous prime is 155116460209973. The next prime is 155116460210029. The reversal of 155116460209974 is 479902064611551.

It is a super-2 number, since 2×155116460209974² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155116460209973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788981217 + ... + 789177795.

It is an arithmetic number, because the mean of its divisors is an integer number (4921665734160).

Almost surely, 2^{155116460209974} is an apocalyptic number.

155116460209974 is an abundant number, since it is smaller than the sum of its proper divisors (159870146776266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155116460209974 is a wasteful number, since it uses less digits than its factorization.

155116460209974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201785.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 155116460209974 in words is "one hundred fifty-five trillion, one hundred sixteen billion, four hundred sixty million, two hundred nine thousand, nine hundred seventy-four".