2070172154 has 16 divisors (see below), whose sum is σ = 3138175656. Its totient is φ = 1024128000.

The previous prime is 2070172141. The next prime is 2070172183. The reversal of 2070172154 is 4512710702.

It can be written as a sum of positive squares in 4 ways, for example, as 2044396225 + 25775929 = 45215^2 + 5077^2 .

It is a super-2 number, since 2×2070172154² = 8571225494393999432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404894 + ... + 409974.

Almost surely, 2^2070172154 is an apocalyptic number.

2070172154 is a deficient number, since it is larger than the sum of its proper divisors (1068003502).

2070172154 is a wasteful number, since it uses less digits than its factorization.

2070172154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 2070172154 is about 45499.1445414087. The cubic root of 2070172154 is about 1274.4872276625.

Adding to 2070172154 its reverse (4512710702), we get a palindrome (6582882856).

The spelling of 2070172154 in words is "two billion, seventy million, one hundred seventy-two thousand, one hundred fifty-four".