505165151982 has 32 divisors (see below), whose sum is σ = 1063625155200. Its totient is φ = 159507901728.

The previous prime is 505165151969. The next prime is 505165151983. The reversal of 505165151982 is 289151561505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505165151983) 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, 788148 + ... + 1277304.

It is an arithmetic number, because the mean of its divisors is an integer number (33238286100).

Almost surely, 2^505165151982 is an apocalyptic number.

505165151982 is an abundant number, since it is smaller than the sum of its proper divisors (558460003218).

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

505165151982 is a wasteful number, since it uses less digits than its factorization.

505165151982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498240.

The product of its (nonzero) digits is 540000, while the sum is 48.

The spelling of 505165151982 in words is "five hundred five billion, one hundred sixty-five million, one hundred fifty-one thousand, nine hundred eighty-two".