161214150 has 24 divisors (see below), whose sum is σ = 399811464. Its totient is φ = 42990400.

The previous prime is 161214101. The next prime is 161214169. The reversal of 161214150 is 51412161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537231 + ... + 537530.

It is an arithmetic number, because the mean of its divisors is an integer number (16658811).

Almost surely, 2^161214150 is an apocalyptic number.

161214150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161214150 is an abundant number, since it is smaller than the sum of its proper divisors (238597314).

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

161214150 is a wasteful number, since it uses less digits than its factorization.

161214150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074776 (or 1074771 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 161214150 is about 12697.0134283618. The cubic root of 161214150 is about 544.2532769385.

The spelling of 161214150 in words is "one hundred sixty-one million, two hundred fourteen thousand, one hundred fifty".