1670377401 has 24 divisors (see below), whose sum is σ = 3008126784. Its totient is φ = 867728160.

The previous prime is 1670377399. The next prime is 1670377477. The reversal of 1670377401 is 1047730761.

It is not a de Polignac number, because 1670377401 - 2¹ = 1670377399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1670377481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1204486 + ... + 1205871.

It is an arithmetic number, because the mean of its divisors is an integer number (125338616).

Almost surely, 2^1670377401 is an apocalyptic number.

1670377401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1670377401 is a deficient number, since it is larger than the sum of its proper divisors (1337749383).

1670377401 is a wasteful number, since it uses less digits than its factorization.

1670377401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410381 (or 2410378 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 1670377401 is about 40870.2508066687. The cubic root of 1670377401 is about 1186.5103616860.

The spelling of 1670377401 in words is "one billion, six hundred seventy million, three hundred seventy-seven thousand, four hundred one".