169163401 has 4 divisors (see below), whose sum is σ = 184541904. Its totient is φ = 153784900.

The previous prime is 169163399. The next prime is 169163429. The reversal of 169163401 is 104361961.

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: 104361961 = 11 ⋅9487451.

It is a cyclic number.

It is not a de Polignac number, because 169163401 - 2¹ = 169163399 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (169163471) 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, 7689235 + ... + 7689256.

It is an arithmetic number, because the mean of its divisors is an integer number (46135476).

Almost surely, 2^169163401 is an apocalyptic number.

169163401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

169163401 is a deficient number, since it is larger than the sum of its proper divisors (15378503).

169163401 is a wasteful number, since it uses less digits than its factorization.

169163401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378502.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 169163401 is about 13006.2831354696. The cubic root of 169163401 is about 553.0556108216.

The spelling of 169163401 in words is "one hundred sixty-nine million, one hundred sixty-three thousand, four hundred one".