66401162 has 32 divisors (see below), whose sum is σ = 109166400. Its totient is φ = 30181248.

The previous prime is 66401119. The next prime is 66401171. The reversal of 66401162 is 26110466.

It is a happy number.

It is a super-2 number, since 2×66401162² = 8818228629900488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116414 + ... + 116982.

It is an arithmetic number, because the mean of its divisors is an integer number (3411450).

Almost surely, 2^66401162 is an apocalyptic number.

66401162 is a deficient number, since it is larger than the sum of its proper divisors (42765238).

66401162 is a wasteful number, since it uses less digits than its factorization.

66401162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 66401162 is about 8148.6908150942. The cubic root of 66401162 is about 404.9411325301.

The spelling of 66401162 in words is "sixty-six million, four hundred one thousand, one hundred sixty-two".