1954146816 has 80 divisors (see below), whose sum is σ = 5784451200. Its totient is φ = 651377664.

The previous prime is 1954146791. The next prime is 1954146839. The reversal of 1954146816 is 6186414591.

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, 56856 + ... + 84503.

It is an arithmetic number, because the mean of its divisors is an integer number (72305640).

Almost surely, 2^1954146816 is an apocalyptic number.

1954146816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1954146816 is an abundant number, since it is smaller than the sum of its proper divisors (3830304384).

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

1954146816 is an equidigital number, since it uses as much as digits as its factorization.

1954146816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141386 (or 141364 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1954146816 is about 44205.7328408884. The cubic root of 1954146816 is about 1250.2179494096.

The spelling of 1954146816 in words is "one billion, nine hundred fifty-four million, one hundred forty-six thousand, eight hundred sixteen".