161496466 has 16 divisors (see below), whose sum is σ = 255771360. Its totient is φ = 76265280.

The previous prime is 161496457. The next prime is 161496469. The reversal of 161496466 is 664694161.

It is a super-2 number, since 2×161496466² = 52162217060978312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161496469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6501 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (15985710).

Almost surely, 2^161496466 is an apocalyptic number.

161496466 is a deficient number, since it is larger than the sum of its proper divisors (94274894).

161496466 is a wasteful number, since it uses less digits than its factorization.

161496466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12969.

The product of its digits is 186624, while the sum is 43.

The square root of 161496466 is about 12708.1259830079. The cubic root of 161496466 is about 544.5707879522.

The spelling of 161496466 in words is "one hundred sixty-one million, four hundred ninety-six thousand, four hundred sixty-six".