162101553 has 4 divisors (see below), whose sum is σ = 216135408. Its totient is φ = 108067700.

The previous prime is 162101549. The next prime is 162101567. The reversal of 162101553 is 355101261.

162101553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355101261 = 3 ⋅118367087.

It is a cyclic number.

It is not a de Polignac number, because 162101553 - 2² = 162101549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162101593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27016923 + ... + 27016928.

It is an arithmetic number, because the mean of its divisors is an integer number (54033852).

Almost surely, 2^162101553 is an apocalyptic number.

It is an amenable number.

162101553 is a deficient number, since it is larger than the sum of its proper divisors (54033855).

162101553 is an equidigital number, since it uses as much as digits as its factorization.

162101553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54033854.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 162101553 is about 12731.9108149563. The cubic root of 162101553 is about 545.2500639616.

The spelling of 162101553 in words is "one hundred sixty-two million, one hundred one thousand, five hundred fifty-three".