1401203166 has 32 divisors (see below), whose sum is σ = 3062606976. Its totient is φ = 423852000.

The previous prime is 1401203149. The next prime is 1401203173. The reversal of 1401203166 is 6613021041.

It is a super-3 number, since 3×1401203166³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 19096 + ... + 56276.

It is an arithmetic number, because the mean of its divisors is an integer number (95706468).

Almost surely, 2^1401203166 is an apocalyptic number.

1401203166 is an abundant number, since it is smaller than the sum of its proper divisors (1661403810).

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

1401203166 is a wasteful number, since it uses less digits than its factorization.

1401203166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37768.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1401203166 is about 37432.6483968207. The cubic root of 1401203166 is about 1119.0093190115.

The spelling of 1401203166 in words is "one billion, four hundred one million, two hundred three thousand, one hundred sixty-six".