47161416251889 has 81 divisors (see below), whose sum is σ = 72365208816537. Its totient is φ = 29593073336400.

The previous prime is 47161416251879. The next prime is 47161416251951. The reversal of 47161416251889 is 98815261416174.

The square root of 47161416251889 is 6867417.

It is a perfect power (a square), and thus also a powerful number.

47161416251889 is a `hidden beast` number, since 4 + 7 + 1 + 614 + 1 + 6 + 2 + 5 + 1 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 47161416251889 - 2²³ = 47161407863281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47161416251869) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 82594423974 + ... + 82594424544.

Almost surely, 2^{47161416251889} is an apocalyptic number.

47161416251889 is the 6867417-th square number.

47161416251889 is the 3433709-th centered octagonal number.

It is an amenable number.

47161416251889 is a deficient number, since it is larger than the sum of its proper divisors (25203792564648).

47161416251889 is an frugal number, since it uses more digits than its factorization.

47161416251889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 804 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 47161416251889 in words is "forty-seven trillion, one hundred sixty-one billion, four hundred sixteen million, two hundred fifty-one thousand, eight hundred eighty-nine".