1974160155 has 16 divisors (see below), whose sum is σ = 3445807104. Its totient is φ = 957168480.

The previous prime is 1974160121. The next prime is 1974160157. The reversal of 1974160155 is 5510614791.

It is not a de Polignac number, because 1974160155 - 2⁶ = 1974160091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1974160157) 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, 5982139 + ... + 5982468.

It is an arithmetic number, because the mean of its divisors is an integer number (215362944).

Almost surely, 2^1974160155 is an apocalyptic number.

1974160155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1974160155 is a deficient number, since it is larger than the sum of its proper divisors (1471646949).

1974160155 is a wasteful number, since it uses less digits than its factorization.

1974160155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964626.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 1974160155 is about 44431.5220873650. The cubic root of 1974160155 is about 1254.4714853158.

The spelling of 1974160155 in words is "one billion, nine hundred seventy-four million, one hundred sixty thousand, one hundred fifty-five".