163757490051 has 32 divisors (see below), whose sum is σ = 220877125632. Its totient is φ = 107913928320.

The previous prime is 163757490023. The next prime is 163757490077. The reversal of 163757490051 is 150094757361.

163757490051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163757490051 - 2²⁹ = 163220619139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163757492051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91842906 + ... + 91844688.

It is an arithmetic number, because the mean of its divisors is an integer number (6902410176).

Almost surely, 2^163757490051 is an apocalyptic number.

163757490051 is a deficient number, since it is larger than the sum of its proper divisors (57119635581).

163757490051 is a wasteful number, since it uses less digits than its factorization.

163757490051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 163757490051 in words is "one hundred sixty-three billion, seven hundred fifty-seven million, four hundred ninety thousand, fifty-one".