158961963 has 16 divisors (see below), whose sum is σ = 220999680. Its totient is φ = 101507616.

The previous prime is 158961919. The next prime is 158961977. The reversal of 158961963 is 369169851.

158961963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158961963 - 2⁶ = 158961899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158961463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3856 + ... + 18242.

It is an arithmetic number, because the mean of its divisors is an integer number (13812480).

Almost surely, 2^158961963 is an apocalyptic number.

158961963 is a deficient number, since it is larger than the sum of its proper divisors (62037717).

158961963 is a wasteful number, since it uses less digits than its factorization.

158961963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14546.

The product of its digits is 349920, while the sum is 48.

The square root of 158961963 is about 12608.0118575452. The cubic root of 158961963 is about 541.7069477368.

The spelling of 158961963 in words is "one hundred fifty-eight million, nine hundred sixty-one thousand, nine hundred sixty-three".