154158961662 has 48 divisors (see below), whose sum is σ = 343821769200. Its totient is φ = 49896976896.

The previous prime is 154158961657. The next prime is 154158961669. The reversal of 154158961662 is 266169851451.

It is a happy number.

154158961662 is a `hidden beast` number, since 1 + 5 + 4 + 15 + 8 + 9 + 616 + 6 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 154158961599 and 154158961608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154158961669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 740412 + ... + 925487.

It is an arithmetic number, because the mean of its divisors is an integer number (7162953525).

Almost surely, 2^154158961662 is an apocalyptic number.

154158961662 is an abundant number, since it is smaller than the sum of its proper divisors (189662807538).

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

154158961662 is a wasteful number, since it uses less digits than its factorization.

154158961662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666057 (or 1666054 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 154158961662 in words is "one hundred fifty-four billion, one hundred fifty-eight million, nine hundred sixty-one thousand, six hundred sixty-two".