154216115738 has 16 divisors (see below), whose sum is σ = 232158769920. Its totient is φ = 76829961936.

The previous prime is 154216115719. The next prime is 154216115777. The reversal of 154216115738 is 837511612451.

It is a super-2 number, since 2×154216115738² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380243 + ... + 3425561.

It is an arithmetic number, because the mean of its divisors is an integer number (14509923120).

Almost surely, 2^154216115738 is an apocalyptic number.

154216115738 is a deficient number, since it is larger than the sum of its proper divisors (77942654182).

154216115738 is a wasteful number, since it uses less digits than its factorization.

154216115738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51421.

The product of its digits is 201600, while the sum is 44.

The spelling of 154216115738 in words is "one hundred fifty-four billion, two hundred sixteen million, one hundred fifteen thousand, seven hundred thirty-eight".