165043100201450 has 12 divisors (see below), whose sum is σ = 306980166374790. Its totient is φ = 66017240080560.

The previous prime is 165043100201429. The next prime is 165043100201531. The reversal of 165043100201450 is 54102001340561.

165043100201450 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 95518037928889 + 69525062272561 = 9773333^2 + 8338169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1650431001965 + ... + 1650431002064.

Almost surely, 2^{165043100201450} is an apocalyptic number.

165043100201450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165043100201450 is a deficient number, since it is larger than the sum of its proper divisors (141937066173340).

165043100201450 is a wasteful number, since it uses less digits than its factorization.

165043100201450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300862004041 (or 3300862004036 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 165043100201450 in words is "one hundred sixty-five trillion, forty-three billion, one hundred million, two hundred one thousand, four hundred fifty".