162140949 has 6 divisors (see below), whose sum is σ = 234203606. Its totient is φ = 108093960.

The previous prime is 162140941. The next prime is 162140969. The reversal of 162140949 is 949041261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84824100 + 77316849 = 9210^2 + 8793^2 .

It is not a de Polignac number, because 162140949 - 2³ = 162140941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162140941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9007822 + ... + 9007839.

Almost surely, 2^162140949 is an apocalyptic number.

It is an amenable number.

162140949 is a deficient number, since it is larger than the sum of its proper divisors (72062657).

162140949 is a wasteful number, since it uses less digits than its factorization.

162140949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18015667 (or 18015664 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 162140949 is about 12733.4578571573. The cubic root of 162140949 is about 545.2942316067.

The spelling of 162140949 in words is "one hundred sixty-two million, one hundred forty thousand, nine hundred forty-nine".